41results about How to "Improve repairability" patented technology

The invention relates to waterborne polyurethane as well as a preparation method and application thereof. The waterborne polyurethane is prepared from the following raw materials: diisocyanate, polyol, a chain extender, gallic acid, a salt-forming agent and a metal organic framework, the metal organic framework is composed of a metal center and an organic ligand; the metal center comprises copper and / or zinc; the organic ligand comprises an organic matter containing carbonyl and hydroxyl. The gallic acid and the metal organic framework are introduced into the preparation raw materials of the waterborne polyurethane to synergistically improve the mechanical strength and the self-healing performance of the material, and meanwhile, the waterborne polyurethane is endowed with antibacterial ability, so that the waterborne polyurethane can meet the application requirements of more fields.

The present invention discloses a method for repairing concrete cracks at low temperature, its application and a concrete crack repairing agent, which belongs to the technical field of on-site processing of building materials and repair of existing buildings. In the method for repairing concrete cracks at low temperature of this scheme, a repairing agent with a low-temperature early strength agent of a string-stool-type structure component is used. The low-temperature early strength agent of the string-stool-type structure component is obtained by first subjecting the string-stool-type structure main chain obtained by ring-opening polymerization to an alkali-catalyzed reaction to obtain an incompletely condensed string-stool-type structure, and then reacting with the monomers to substitution-catalysis-copolymerization and substitution-ATRP reaction. This scheme can reduce the viscosity of the repair material by adding a low-temperature early strength agent of a string-stool-type structure component to the repair material, improve its early strength, fast hardening and adaptability, and is particularly suitable for repairing concrete cracks in a low-temperature environment. The repair material has simple components and good compatibility with concrete at the crack, and can effectively solve the problems of poor adaptability, high viscosity and low strength of the repair material, and has broad prospects for promotion and application.

The invention discloses a low-damage self-resetting concrete column foot connecting joint structure and a construction method, the low-damage self-resetting concrete column foot connecting joint structure comprises a concrete foundation, a low-damage prefabricated concrete frame column, a prestressed steel strand and a low-yield-point energy-consuming reinforcing steel bar, the prestressed steel strand penetrates through the concrete foundation and the low-damage prefabricated concrete frame column and is tensioned and anchored; the concrete foundation and the low-damage prefabricated concrete frame columns are connected; the low-yield-point energy-consuming steel bars are pre-buried at the bottoms of the low-damage prefabricated concrete frame columns; the problems that in an existing multi-layer self-resetting concrete bottom layer column foot connecting joint, column bottom concrete is seriously damaged by pressure under the action of a high axial compression ratio and in a large deformation state, and resetting after an earthquake is affected are solved, meanwhile, the energy dissipation capacity of a component is improved by combining the energy dissipation steel bars, damage and residual deformation of the concrete at the end of the component under the action of the earthquake are reduced, and the energy dissipation performance is improved. And the repairable performance of the structure is improved.

A mixed connector plug and socket capable of preventing mistaken touch are characterized in that a plurality of conductive rings of the plug are respectively sleeved on different outer supporting surfaces, a high-frequency insertion piece and the plurality of conductive rings are arranged at intervals along the axial direction, and the convex parts of a high-frequency contact piece and a plurality of low-frequency contact pieces of the socket are also sequentially distributed along the axial direction; therefore, the high-frequency connector and the low-frequency connector can respectively realize contact transmission at different axial positions, so that the radial size of the mixed connector is effectively reduced; the outer diameter of the conducting ring farthest away from the high-frequency insertion piece is larger than the outer diameter of the conducting ring adjacent to the high-frequency insertion piece, the diameter of the inner supporting faces of the multiple low-frequency contact pieces is matched with the outer circumferential faces of the multiple conducting rings, a multi-layer cylindrical stepped structure is formed on the plug and the socket, all layers can make direct contact in the inserting process, and therefore the plug and the socket are not prone to being damaged. The low-frequency contact piece does not need to slide over the conducting rings of other levels, so that wrong contact between non-corresponding levels is avoided, meanwhile, friction loss in the sliding plugging process is reduced, and the service life of the product is prolonged.

The invention is suitable for the technical field of medicine health, and particularly relates to a glycyrrhetinic acid lutein ester compound, a preparation method and application thereof. The glycyrrhetinic acid lutein ester compound provided by the invention is effective in inflammation relief, tissue repair and protection and treatment of ultraviolet injury, has good anti-inflammatory and antioxidant activity and repair capability, not only has good effects on anti-inflammatory, repair, anti-aging and blue light prevention of eyes, but also has good anti-inflammatory and anti-oxidation effects, and has good application prospects. Moreover, the composition has the effects equivalent to or even superior to those of special medicines in the aspects of skin state improvement, whitening, sunscreen, anti-aging and the like, and has good application prospects and potential.

The utility model discloses a protection device and a factory building gate, and relates to the technical field of protection accessories, the protection device is fixed to the lower end of a door frame of the factory building gate, and the protection device comprises a main column body; the protective layer is annularly arranged around the main column body and is used for protecting the main body; the buffer layer is annularly arranged around the protective layer and is used for buffering impact force; and the reflective layer is annularly arranged around the buffer layer and is used for reflecting light. The main column body is placed on the ground, the integrity of the structure of the main column body is protected through the protective layer, the impact force between a vehicle and the anti-collision device structure is effectively reduced through the buffer layer, and damage caused by impact between the vehicle and the anti-collision device structure is reduced; by arranging the reflective layer, the effect of warning vehicles is achieved; the device is high in overall repairability, except for the protective layer, the other parts can be repaired or replaced, and the protective effect can be effectively achieved.

Conducting rings and insulating spacers of the plug are sequentially and alternately arranged in the axial direction to form a cylinder shape, and an insulating plug installed on a high-frequency insertion piece is located on one side, in the axial direction, of the cylinder shape where the conducting rings are located, namely the high-frequency insertion piece and the conducting rings are sequentially distributed in the axial direction. The projections of the high-frequency contact element and the plurality of low-frequency contact elements of the socket are sequentially distributed along the axial direction, so that the high-frequency connector and the low-frequency connector can respectively realize contact transmission at different positions in the axial direction, and the radial size of the mixed connector is effectively reduced; the outer peripheral surfaces of the plurality of conducting rings and the insulating spacers form the same outer cylindrical surface, so that the radial sizes of the plug and the socket can be reduced to the maximum extent, and the miniaturization of the mixed connector is greatly facilitated.

The utility model belongs to the technical field of optical fiber production, and particularly relates to an anti-crush hold-down clamp which comprises a rod body, a first clamp is arranged below the rod body, a second clamp is arranged on the outer side of the first clamp, a pressing plate is arranged in the second clamp, a threaded block is fixedly connected to the outer wall of the bottom end of the rod body, a first threaded groove is formed in the outer wall of the first clamp, and a second threaded groove is formed in the outer wall of the second clamp. A second threaded groove is formed in one side wall of the clamp. According to the anti-crush hold-down device, the bottom edge of the pressing plate is provided with the chamfer, so that an acute angle is eliminated, an optical fiber cannot be cut off or scratched due to contact with the acute angle when the optical fiber is pressed, meanwhile, the chamfer enables a contact surface to be smoother, the optical fiber can pass through the contact surface more smoothly in the pressing process, friction and resistance are reduced, and the service life of the optical fiber is prolonged. Wherein all the components are in threaded connection, so that the assembly process becomes simple and rapid, meanwhile, disassembly is relatively convenient, when parts need to be maintained or replaced, threaded connection can be easily disassembled, and the maintainability and repairability of the hold-down clamp are improved.

The invention provides a non-equal-wall-thickness lightweight carbon fiber honeycomb core and a preparation method thereof. The carbon fiber honeycomb core is a non-equal-wall-thickness carbon fiber honeycomb core. The carbon fiber honeycomb core is formed by assembling a plurality of discretized same polygonal cell units in an array; the boundary dimension of the carbon fiber honeycomb core can be infinitely expanded by adopting the polygonal cell units; the structure of each polygonal cell unit is a hollow structure penetrating through the upper and lower ends. According to the carbon fiber honeycomb core assembled by the discrete array, the carbon fiber honeycomb core with any structural size can be obtained as required, the breadth of the carbon fiber honeycomb core can be expanded infinitely, and the size requirement of a large-aperture satellite antenna reflector is met.

The invention discloses a pure physical cross-linked dual-temperature-sensitive hydrogel and a preparation method of the pure physical cross-linked dual-temperature-sensitive hydrogel. The hydrogel is composed of N-isopropylacrylamide, hydroxyl-containing cellulose, sodium pyrophosphate (Na4P2O7) and an initiator, a chemical cross-linking agent is not needed, and a dual physical cross-linked network is formed through combination of photo-initiation or thermal-initiation polymerization and heating induced phase transformation. The obtained hydrogel shows two obvious temperature response transitions: poly (N-isopropylacrylamide) phase transition in a low-temperature region (about 15-35 DEG C) and thermal association of hydroxyl-containing cellulose in a high-temperature region (about 45-65 DEG C). The pyrophosphate ions enhance the network stability and mechanical strength of the gel through ion-dipole interaction. The hydrogel has excellent mechanical properties and sensitive dual-threshold thermal response characteristics, and can be used in the fields of flexible temperature sensors, bionic skins, temperature control switches, multi-temperature-zone environment monitoring and the like.

The utility model discloses a grassland turf repairing device, and belongs to the technical field of turf repairing. Comprising a mounting plate, moving wheels are arranged on the periphery of the bottom end of the mounting plate, push rods are arranged on the sides of the moving wheels, a first supporting frame is arranged on the other sides of the moving wheels, an embedded plate is arranged on the side of the first supporting frame, and a transmission block is arranged in the middle of the end of the embedded plate; a servo motor is arranged at the top end of the first supporting frame, and a rotating threaded rod is arranged at the output end of the servo motor. A worker can push the mounting plate to drive the embedded plate to move to an area where turf needs to be repaired, then the servo motor drives the embedded plate to descend so that the embedded plate can be embedded into soil, then the embedded plate ascends to drive the soil to ascend, a pit hole is formed in the position, manual excavation by the worker is not needed, the workload of the worker is reduced, and the working efficiency is improved. And the long-time working efficiency is improved.

The invention relates to the field of photovoltaic technology, and discloses a perovskite device and a preparation method and application thereof. The perovskite device comprises a packaging layer, an electron buffer layer, a perovskite layer and an electron transport layer, the packaging layer is arranged on the outer surface of the perovskite device; the electron buffer layer is located between the perovskite layer and the electron transport layer. The perovskite device provided by the invention has a double-layer packaging structure of the packaging layer and the electron buffer layer, can effectively resist the erosion of water and oxygen, prevents the decomposition of the perovskite layer, and improves the long-term stability and repairability of the perovskite device; the perovskite device is simple in preparation method, rich in material source and suitable for industrial application; the perovskite device has good storage stability and can meet the application requirements in the fields of photovoltaic cells, light emitting diodes, optical detectors, memristors or lasers and the like.

The invention relates to the technical field of shield tunnels, and discloses a rigid-flexible socket type shield tunnel joint structure which comprises a socket type structure, a rotor assembly, a screw, a first embedded part and a second embedded part. The first embedded part and the second embedded part are embedded in the adjacent pipe pieces correspondingly, the effects of the bolt and the reinforcing steel bars are fully exerted through the embedded parts, and the overall bearing capacity of the bolt is improved; one end of the screw is inserted, and the joint is introduced into the rotor assembly, so that the sensitivity of the joint between rings to structure manufacturing and assembly errors is reduced; the screw rod can be used for fastening, so that the shear rigidity of the joint is ensured; through optimization design, after the shearing force of the connector reaches a certain value, a screw rod can be tightened and loosened, so that the rigidity of the connector is reduced, the rigid-flexible state change under relatively extreme conditions in the operation process is realized, and the self-adaptability of the connector structure to the extreme conditions is improved; and the bolt rod is fastened again in the later period, so that the structural rigidity of the joint can be recovered, and the repairability of the joint is realized.

The invention discloses a guide roller for superfinishing a bearing roller, comprising a main guide roller and an auxiliary guide roller arranged in parallel in a horizontal direction; the main guide roller is made of cast steel or cast iron, and a spiral baffle is arranged on the outer surface of the main guide roller; the auxiliary guide roller comprises a guide roller core and a guide roller shell; the guide roller core is a cylinder and is made of cast steel or cast iron; the guide roller shell is made of polymer plastic steel material and is heat-sleeved on the guide roller core; a spiral groove is arranged on the outer surface of the guide roller shell, and the pitch of the spiral groove is the same as the pitch of the spiral baffle on the outer surface of the main guide roller, and the lead angle of the spiral groove is the same as the lead angle of the spiral baffle on the outer surface of the main guide roller. The guide roller of the invention can make the roller transmission more stable and the processing positioning posture retention is good, so that higher outer cylindrical superfinishing surface quality and more stable logarithmic curve convexity modeling can be obtained; at the same time, due to the reduction of sliding wear and a certain self-compensation ability, the service life is also longer.

The invention provides a water-soluble engineering plastic reinforced cationic waterborne polyurethane material and a preparation method thereof, and belongs to the field of high-performance polyurethane materials. The preparation method comprises the following steps: firstly, mixing a water-soluble engineering plastic solution with a cationic waterborne polyurethane emulsion; secondly, adjusting the pH value of the solution until the system generates precipitate; and finally, carrying out precipitation treatment and hot-pressing film formation to obtain the waterborne polyurethane material. The water-soluble engineering plastic reinforced waterborne polyurethane material prepared by the invention has the characteristics of high strength, good ductility and good thermal stability, and can greatly meet the requirements of people on high-performance waterborne polyurethane materials; the breaking strength gt of the waterborne polyurethane material; the pressure is 45 MPa, and the tearing energy is gt; and 70 KJ m <-2 >. And the preparation method is simple and efficient, is easy to realize repeatedly and prepare on a large scale, and has a good industrial application prospect.

The present invention relates to a disaster prevention and mitigation roof photovoltaic system and a control method thereof. The roof photovoltaic system comprises a support assembly 1, a support assembly 2 and a photovoltaic panel which are sequentially arranged above the roof; a shock absorber is arranged between the support assembly 1 and the support assembly 2. The support assembly 1 comprises a limit frame installed on the top of the roof, a sliding foundation embedded in the limit frame and fitted with a clearance of the limit frame, and a column installed above the sliding foundation; a plurality of buffer pads are arranged on the inner wall of the limit frame. The present invention has good seismic resistance and structural stability, and can ensure the structural safety of roof photovoltaic panels under natural disasters such as earthquakes and typhoons. At the same time, the roof photovoltaic system can identify the sand and dust accumulation areas on the surface of the photovoltaic panels and issue timely warnings to ensure that the photovoltaic panels work in a good operating environment.

The present invention provides an anti-high-voltage corona potting method for an electrical connector suitable for aerospace applications, characterized in that it includes the following steps: after welding the electrical connector, potting is performed on the welding surface using room temperature curing silicone rubber treated with vacuum degassing, uniformly covering the welding surface, the silicone rubber liquid surface completely covers and protects the welding points, and the insulation skin port at the root of the wire is submerged, the silicone rubber is fully allowed to stand and solidify, and the surface of the potting layer is trimmed; the electrical connector is potted with a second layer of epoxy glue treated with vacuum degassing on the base of the first layer of silicone rubber potting layer, uniformly covering the silicone rubber potting layer and covering the root of the wire lead-out line, the epoxy glue is fully allowed to stand and solidify, and the surface of the potting layer is trimmed. The secondary anti-corona potting method of the present invention has the characteristics of high reliability of solder joints, strong reworkability, strong anti-corona protection performance, etc., which significantly improves the quality and reliability of the anti-corona method of the electrical connector, and is therefore of great significance.

The present application is suitable for the technical field of laminated slab repair, and provides a laminated slab crack repair device, which comprises a vehicle body and further comprises: a swing rotating assembly connected with the vehicle body through a lifting assembly, the lifting assembly being used for supporting and driving the swing rotating assembly to lift; a repair agent scraping assembly and a polishing assembly, the swing rotating assembly being provided with the repair agent scraping assembly and the polishing assembly, the swing rotating assembly being used for driving the repair agent scraping assembly to reciprocate, the repair agent scraping assembly being used for discharging repair agent and cooperating with the reciprocation to repair the laminated slab crack, and the swing rotating assembly being further used for driving the polishing assembly to rotate, so that the polishing assembly is used for polishing the repaired area after the repair agent scraping assembly is removed. The present application realizes the automatic operation of repair agent scraping and polishing, improves the repair quality, reduces manual operation, and significantly improves the construction efficiency and intelligent level.

The invention discloses a preparation method of a high-strength, recoverable and repairable rapid light-curing bio-based adhesive, which comprises the following steps: step 1, preparing a high-strength, recoverable, repairable and rapid light-curing bio-based adhesive; the preparation method comprises the following steps: dissolving cellulose, 2-(tert-butylamino) ethyl methacrylate, diisocyanate and a catalyst in a good solvent according to a certain molar ratio, and reacting at 40-100 DEG C for 2-8 hours to prepare a cellulose-based macromonomer containing dynamic steric hindrance urea bonds; and 2, dissolving the cellulose-based macromonomer, metacrylic acid ester and a photoinitiator in a good solvent according to a certain mass ratio, pouring the solution into a mold, and after the solvent is volatilized, carrying out ultraviolet curing for 1-10 minutes to prepare the high-strength, recoverable and repairable rapid photocuring bio-based adhesive. According to the preparation method, the green, environment-friendly, high-strength, recoverable and repairable rapid light-curing bio-based adhesive can be simply, conveniently and efficiently prepared.

This invention relates to the field of unmanned aerial vehicle (UAV) technology, specifically to an omnidirectional crash-resistant UAV with a series multi-level composite buffer structure. The UAV includes a flight control platform with a cargo box connected to its bottom. Support frames are connected to both sides of the cargo box, and rotors are mounted on the top of each support frame. Each support frame includes an X-shaped mounting bracket with two upper extensions and two lower extensions, the upper extensions being located above the lower extensions. The rotors are connected to each upper extension, and ground-contact pads are connected to each lower extension. An upper shock-absorbing buffer device is positioned between the upper extensions and the rotors. This invention utilizes the upper shock-absorbing buffer device on the upper extensions to absorb and buffer the powerful impact energy from the ground when the UAV contacts the ground, thereby protecting valuable onboard equipment and cargo.

A detachable anti-drop terminal box and its disassembly method, comprising a box body, the side wall of the box body is provided with a plurality of waist-shaped holes, the bottom is provided with a plurality of wiring terminal holes with the same number as the waist-shaped holes, and the wiring terminal holes are connected with the corresponding waist-shaped holes, and the wiring terminals are inserted into the wiring terminal holes and fixed by locking screws; the waist-shaped holes include two screw holes, a stop groove and an elastic baffle, the stop groove is located between the two screw holes, the elastic baffle is installed in the aforementioned stop groove, the bottom surface of the elastic baffle is connected to the waist-shaped hole and is integrally formed, and a stop block is respectively provided at both ends of the top surface of the elastic baffle, and when the elastic baffle is in a stable state, the two stop blocks are located above the corresponding locking screws. The present invention has a simple structure and a simple assembly process, reduces the cost of rework during the production process and the maintenance cost after the product is put into operation, realizes the assemblability and maintainability of the product, and reduces the comprehensive cost of the instrument.

The invention relates to the technical field of building materials, and specifically discloses an anti-cracking composite material for concrete repair and a preparation method thereof. The anti-cracking composite material comprises sodium alginate-based modified fiber, deionized water, hydroxymethyl cellulose, sodium dodecylbenzene sulfonate, a water reducer, calcium chloride and calcium oxide. The anti-cracking composite material can be used as a filling material for concrete, is evenly distributed in the concrete, can disperse the directional stress of the concrete, enhance its shrinkage deformation cracking ability, realize the self-repair of concrete cracks, reduce the internal defects of the concrete, thereby improving the microstructure of the concrete, can effectively ensure that the concrete is not easy to crack when subjected to external pressure, blocks the capillary crack channels inside the concrete, reduces the penetration rate of harmful substances such as water, chloride ions and air, and improves its tensile strength and durability. The components in the composite material act synergistically and have excellent concrete crack repairing ability.

The invention discloses a fault diagnosis method based on neural network analysis, and relates to the technical field of fault diagnosis, and the method comprises the steps: collecting historical system data in a complex equipment system; performing preprocessing operation on the historical system data to generate corresponding target system data; extracting target system features corresponding to the target system data based on a convolutional neural network; calculating an information gain corresponding to the target system feature as a splitting standard, and constructing a decision tree model for fault diagnosis according to the splitting standard; and obtaining current system data in the complex equipment system, inputting the current system data into the decision tree model for fault diagnosis, outputting a corresponding fault diagnosis result, and displaying the fault diagnosis result to a user side. According to the method, feature extraction can be carried out through the convolutional neural network, the accuracy of fault diagnosis is improved, the diagnosis time is shortened, the requirement for data integrity is reduced, and then the reliability, repairability and safety of a complex equipment system can be improved.

The application discloses a preparation method of a recyclable and easy-to-repair epoxy resin, and the recyclable and easy-to-repair epoxy resin is prepared from an epoxy resin containing a borate ester structure or a mixed resin composed of the epoxy resin containing the borate ester structure and a conventional epoxy resin after curing; the structural formula of the epoxy resin containing the borate ester structure is shown in the following formula (I), wherein R is selected from one or more of the following formula (II-1), (II-2) and (II-3); the preparation method disclosed by the application is suitable for conventional types of epoxy resins in the field and has universality; and the prepared product has recyclability and repairability and also has high strength.

The application discloses a whole pouring method and structure of a blast furnace hearth instead of cooling wall, wherein the inner side of a furnace shell is directly provided with a lining formed by pouring high-thermal-conductivity unshaped refractory material; a plurality of holes are formed in the furnace shell, and cooling elements are arranged in the holes; one end of the cooling elements is embedded in and penetrates through the lining and is in close contact with the lining, so that the cooling wall is cancelled, air gap thermal resistance is avoided, the cooling elements are directly in contact with the high-thermal-conductivity refractory material, heat can be rapidly and directly transmitted to a cooling system, the cooling efficiency is greatly improved, and a protective slag iron shell is easily formed on a hot surface of the hearth; the whole pouring structure is free of any brick joint, and penetration and corrosion of molten iron and alkali metal are avoided; high thermal conductivity ensures that the temperature field of the lining of the hearth is uniformly distributed and thermal stress is small, and the risk of ring crack of the traditional structure is fundamentally eliminated; if abnormal corrosion occurs in a local region, the on-line repair can be carried out by using the pressing-in technology, maintenance cost is low, and the service life of one generation of blast furnace is prolonged.

The invention discloses a modified lignin / biochar coated slow-release fertilizer and a preparation method and application thereof. A lignin source is subjected to acid precipitation pretreatment to obtain acid precipitation lignin, and then the acid precipitation lignin is subjected to esterification reaction with an esterifying agent to obtain modified lignin, and then a fertilizer core is immersed in a mixed solution containing the modified lignin and biochar and dried to obtain the modified lignin / biochar coated slow-release fertilizer. The preparation method of the coated slow-release fertilizer provided by the invention is simple and easy, does not require expensive equipment, has a wide source of raw materials, is low in cost and is renewable, and the coated fertilizer also has the ability to remove heavy metals, can not only promote crop growth and development, but also can improve water bodies or soil, and improve soil water retention and air permeability, and has high added value and economic benefits.

The application discloses a kind of wear-resistant and corrosion-resistant integrated structure of deep groove ball bearing for vehicle, and relates to the technical field of deep groove ball bearing, including main body mechanism, the outside of the main body mechanism is provided with detection mechanism for detecting its internal grease adhesiveness;By setting detection mechanism, the probe of micro viscosity sensor is inserted in the inside of detection channel, the oil supplement pipe is inserted in the inside of supplementary hole, the signal connection of micro viscosity sensor and micro oil pump is established using controller, the viscosity of grease is monitored using micro viscosity sensor, the signal of detection is sent to controller, the threshold value is judged using controller, when the viscosity of grease is greater than the set threshold value, micro oil pump is started automatically, the lubricant is supplemented, the viscosity of grease is reduced, the influence of high viscosity of grease on lubrication effect is avoided, the lubrication structure of deep groove ball bearing is optimized, the overall wear-resistant and corrosion-resistant performance is improved, the service life is also prolonged, and the maintenance cost is also reduced.

The invention provides a composition with synergistic anti-oxidation and anti-saccharification functions as well as a preparation method and application of the composition, and relates to the technical field of cosmetics. The synergistic anti-oxidation and anti-saccharification composition comprises kadsura coccinea and pericarpium citri reticulatae, and the mass ratio of the kadsura coccinea to the pericarpium citri reticulatae is 1: 3. The synergistic anti-oxidation and anti-saccharification composition has good anti-saccharification, anti-oxidation and free radical scavenging capabilities, and can be widely applied to the field of cosmetics.

The invention relates to the technical field of building equipment, in particular to a concrete-filled steel tube column joint of a bilateral wave starting connecting plate and a construction method. The H-shaped outwards-extending end plates and the H-shaped steel beams are arranged at intervals, the upper flanges of the H-shaped steel beams are connected with the selected flange wide wave-starting connecting plates through flange connecting bolts, the lower flanges of the H-shaped steel beams are connected with the selected flange narrow wave-starting connecting plates through flange connecting bolts, and short webs are connected with the H-shaped steel beams through web wave-starting connecting plates and web connecting bolts; according to the utility model, the assembly is simple, the bearing capacity is high, the anti-seismic property and the progressive collapse resistance are strong, and better ductile deformation capability is provided. And specifically, the deformability of the beam-column joint under the load bearing action under the conditions of earthquakes, explosions and emergencies is enhanced.