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35results about How to "Improve connection performance" patented technology
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Bridge prefabricated hollow pier column post-poured connecting structure and construction method
InactiveCN104746422AGood connection performanceFast constructionBridge structural detailsFoundation engineeringEarthquake resistanceArchitectural engineering
The invention relates to a bridge prefabricated hollow pier column post-poured connecting structure. The bridge prefabricated hollow pier column post-poured connecting structure is characterized by comprising a prefabricated hollow pier column, a pier column foundation and a post-poured concrete pier wall, wherein connecting steel plates are pre-buried in the top surface of the pier column foundation, and an installation limiting block limiting the installation position of the prefabricated hollow pier column is arranged at the center of the pier column foundation; the prefabricated hollow pier column is fixed on the pier column foundation through the connecting steel plates; the prefabricated hollow pier column is wrapped by a steel protecting barrel, and a steel rib plate is arranged on the outer wall of the steel protecting barrel; the concrete pier wall is poured on the periphery of the bottom of the prefabricated hollow pier column, and the hollow position in the prefabricated hollow pier column is filled with a concrete filling core section formed by micro-expansion concrete. As the prefabricating process is adopted for the structure, the construction speed is high, connection strength is high, overall stress performance is good, anti-seismic performance is strong, and technological and economical benefits are good. The invention further discloses a construction method for the bridge prefabricated hollow pier column and foundation connecting structure.
Owner:柳州市建筑工程集团有限责任公司
Outer partition wall built by adopting light concrete partition wall boards and construction method thereof
ActiveCN102251606AEasy constructionShorten the construction periodWallsBuilding material handlingCarrying capacityVertical edge
The invention relates to an outer partition wall built by adopting light concrete partition wall boards and a construction method thereof. The outer partition wall is formed by splicing a plurality of abreast light aggregate concrete partition wall boards, and is arranged between two adjacent sideboards of a main body structure, rear groove-type embedded parts are sheathed at the tops and bottomsof splicing seams of the light aggregate concrete partition wall boards, each rear groove-type embedded part is formed by welding an L-shaped steel board and a straight steel board, the horizontal edges of the L-shaped steel board are fixed on the sideboards by virtue of bolts, the vertical edge of the L-shaped steel board are parallel to the outer edges of the sideboards, the light aggregate concrete partition wall boards are shorter than the vertical distance between the two adjacent sideboards, the light aggregate concrete partition wall boards press against the rear groove-type embedded parts at the top, and plugging materials are filled in gaps among the rear groove-type embedded parts at the bottom. The outer partition wall and construction method provided by the invention belong tothe technical field of outer partition walls; the out partition wall provided by the invention has good load-carrying capacity; and the construction method has the advantages of simplicity and convenience in construction, shorter construction period, and the like, and is applicable for construction for the outer partition walls by using the light aggregate concrete partition wall boards.
Owner:BEIJING URBAN CONSTR FIFTH CONSTR GRP
Position updating method and mobile terminal
ActiveCN103974231AImprove connection performanceIncrease success rateNetwork data managementTelecommunicationsCell search
The invention provides a positioning updating method and a mobile terminal. The position updating method comprises the steps that the mobile terminal makes sure that a cell attached to a first SIM card supporting 2G / 3G modes changes; the mobile terminals triggers a second SIM card supporting an LTE mode to carry out CS domain target cell searching; the mobile terminal sends the mark of the CS domain target cell searched for by the second SIM card to corresponding network equipment, so that when the network equipment makes sure that the CS domain target cell is different from a CS domain first cell, a position updating request is sent to the network equipment corresponding to the mark of the CS domain target cell, and then data of the mobile terminal are input into the network equipment corresponding to the mark of the target cell. According to the position updating method and the mobile terminal, the data of the terminal can be input into the network equipment corresponding to the target cell in time, when the mobile terminal carries out CSFB dropping, the mobile terminal can rapidly drop back to the cell where the terminal is located, and service connection capacity and the success rate are improved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Prefabricated assembled integral framework column bottom grouting structure
InactiveCN105863049AGuaranteed bearing capacityImprove connection performanceBuilding reinforcementsAgricultural engineeringSteel bar
The invention relates to a prefabricated assembled integral framework column bottom grouting structure, which comprises a prefabricated framework column and an anti-shearing groove formed in the bottom of the prefabricated framework column; a grouting sleeve is prefabricated at the bottom of the prefabricated framework column at the same time, is arranged on the periphery of the prefabricated framework column, and is used for connecting a load-bearing steel bar of the prefabricated framework column; the lower part of the tube wall of the grouting sleeve is provided with a grouting hole; a slurry discharging hole is formed in the upper part of the tube wall of the grouting sleeve, i.e., the slurry discharging hole and the grouting hole are formed in the periphery of the prefabricated framework column from top to bottom; a PVC (polyvinyl chloride) pipe is arranged on the anti-shearing groove, and is arranged in an L shape; the vertical part of the PVC pipe is communicated with the anti-shearing groove; the transverse part of the PVC pipe extends out of the other side of the prefabricated framework column to form a high-position slurry discharging hole; the high-position slurry discharging hole is formed above the slurry discharging hole of the grouting sleeve. The prefabricated assembled integral framework column bottom grouting structure solves the problem that during the prefabricated framework column bottom grouting, air in the anti-shearing groove cannot be thoroughly exhausted.
Owner:NANJING YANGTZE RIVER URBAN AGCHITECTURAL DESIGN
Circular steel tube welding machine
ActiveCN108555521AImprove connection performanceHigh strengthWelding/cutting auxillary devicesAuxillary welding devicesSteel tubeEngineering
The invention provides a circular steel tube welding machine. The circular steel tube welding machine comprises a supporting mechanism, a jacking mechanism and a welding mechanism. The supporting mechanism comprises two supporting bases, a supporting drive assembly is arranged below the supporting bases, and the two supporting bases can vertically rise and fall under control of the supporting drive assembly. The jacking mechanism comprises two edge movable plates, a thimble is mounted on the inner side face of each edge movable plate, and two sets of jacking drive assemblies are arranged on abase and used for controlling the two edge movable plates to synchronously and reversely move in the horizontal direction. The welding mechanism comprises a supporting disc, a drive disc and a weldinggun disc. One side of the drive disc is rotationally mounted in the supporting disc, and the other side of the drive disc is fixedly connected with the welding gun disc. According to the welding machine, circular steel tubes are welded by rotating a welding gun, the efficiency is high, as the circular steel tubes are static in the welding process, the circular steel tubes are firm and stable after being welded, and the strength of the positions of weld joints is high.
Owner:如东道博智能设备有限公司
Steel box-concrete combined box plate arch structure and construction method thereof
InactiveCN101440598ALight weightEasy to controlBridge erection/assemblyBridge strengtheningEconomic benefitsParallel arrangement
The invention discloses a steel box-concrete combined box plate arch structure and a construction method thereof. Bottom precast slabs and top precast slabs are abreast arranged between a steel box arch I and a steel box arch II in parallel arrangement along the longitudinal direction; two ends of the bottom precast slab are supported on the extension parts formed through transversely extending a soleplate of the steel box arch I and a base plate of the steel box arch II towards the inner side respectively; and the steel box-concrete combined box plate arch structure of which the middle part has a concrete box structure is formed between two ends of the top precast slab and two ends of the bottom precast slab and the steel box arch I and a steel box arch II, between the adjacent bottom precast slabs and between the adjacent top precast slabs through cast-in-place concrete. The construction method obviously simplifies a main arch construction process, reduces anticipation to precast field and hoisting equipment, improves safety degree of the structure and personnel in the construction period, reduces engineering risk, shortens construction period and has remarkable comprehensive technical and economic benefits.
Owner:CHONGQING JIAOTONG UNIVERSITY
Optical fiber end face processing method and optical fiber connector
ActiveCN103273415AAchieve connectionSolve the problem of poor cuttingLapping machinesCoupling light guidesEngineeringOptical fiber connector
The invention relates to an optical fiber end face processing method and an optical fiber connector. The method includes the steps of S1, penetrating an optical fiber through an insert core of the connector; S2, positioning length of one end, extending out of the insert core, of the optical fiber to form an extending end of the optical fiber; S3, inserting the extending end into a grinding groove of a grinder, using a grinding face of the grinding groove to abut the end face of the extending end to allow the end face to be in contact with the grinding face; S4, rotating the grinder, and grinding the end face of the extending end through the grinding face; wherein the length of the extending end is larger than the depth of the grinding groove. By the method, the problem of bad optical fiber end face cutting is solved, fully contact of optical fiber end faces is facilitated, return loss of the optical fiber connector is reduced, and insertion loss of the optical fiber connector is reduced.
Owner:SHENZHEN EPLU SCI TECH
Method for preparing fiber modified aerogel material
The invention provides a method for preparing a fiber modified aerogel material. The method comprises the following steps: preparing a dopamine hydrochloric acid solution to adjust the pH value; adding jute fiber felt, an alumina fiber and a sepiolite fiber, and introducing nitrogen gas so that the nitrogen gas in the solution is saturated, and sealing; performing irradiation and stirring treatment; cleaning, and drying to obtaining a mixed fiber; taking zirnocyl chloride octahydrate, titanium tetrachloride and deionized water to be mixed and stirred to obtain a solution A; taking ethyl orthosilicate and ethanol to be mixed and stirred to obtain a solution B; mixing and stirring the solution A and the solution B; placing in an ice water bath, adding propylene epoxide and stirring; adding the mixed fiber and a polydopamine nanofiber to be stirred, pouring into a mold, sealing and aging; taking out, soaking in acetone; taking the mixture out of acetone and drying to obtain the fiber modified aerogel material. The material prepared by the method has the advantages of very good heat insulation effect, very good mechanical properties, good bending strength, good flexibility and high compressive strength, and well avoids sudden breakage of the material.
Owner:深圳市国日宏电子科技有限公司
Electrical connectors and combinations thereof
The invention provides an electrical connector, which includes a plastic core, a terminal and a shielding shell. The shielding shell protrudes and forms bumps and shrapnel that elastically press against the mating electrical connector when the electrical connector is plugged in with the mating electrical connector. The guiding slope, the pressing portion and the fixing portion are sequentially connected in the direction of the end, the guiding slope is inclined toward the insertion end, and the pressing portion protrudes toward the mating electrical connector. The present invention also provides an electrical connector combination. The shielding shell of the first electrical connector is provided with bumps and elastic pieces, and the second electrical connector is provided with depressions that are correspondingly engaged with the elastic pieces of the first electrical connector. In the present invention, bumps and shrapnels are provided on the shielding shell, so that when it is plugged into the matching electrical connector, the bumps and shrapnels can be pressed against the matching electrical connector to play a good positioning role, and the electrical connection The combination of the device is more stable, not easy to loose, and the connection conduction performance is better.
Owner:富创智能科技(深圳)有限公司
Laminated rubber support reinforced by combining fine high-strength steel wire meshes and steel fibers
InactiveCN104032673AEasy to transportEasy to installBridge structural detailsShock proofingFiberRubber material
The invention relates to a laminated rubber support reinforced by combining fine high-strength steel wire meshes with steel fibers. The laminated rubber support consists of rubber bodies, fine high-strength steel wire meshes, outer-layer protecting rubber and steel fibers, wherein the fine high-strength steel wire meshes are thick meshes woven by high-strength steel wires, and the fine high-strength steel wire meshes are closely distributed in the rubber bodies layer by layer to restrain the side deformation of the rubber bodies, so that the support has rigidity and load-bearing capacity required by normal use; steel fiber materials are distributed in rubber in disorder, so that the mechanical property of the rubber bodies is improved, the connection of the fine high-strength steel wire meshes and composite rubber materials is closer, and the restraining effect is enhanced; favorable deformation capacity of the fine high-strength steel wire meshes and the connection action of the steel fibers ensure that the rubber bodies and the high-strength steel wire meshes can still synergistically work under the condition of extreme deformation, and the problems of adhesive failure and the like cannot occur. Under the action of earthquake, the laminated rubber support allows larger shearing deformation until upper and lower surfaces completely break away from a contact surface to present an overturning state and even generate horizontal scrolling, the earthquake force of an upper structure is prevented from being transmitted to a lower structure, the effect of earthquake insulation is exerted, and the safety of a bridge structure is ensured.
Owner:TONGJI UNIV +1
Redundant joint attachment method and system
ActiveCN110351800AImprove connection performanceIncrease success rateWireless communicationThird generationG-network
The invention provides a redundant joint attachment method, which comprises the following steps: an MME (Mobility Management Entity) sends a message to a VLR (Virtual Local Area Network) correspondingto a 3G (The 3rd Generation Telecommunication) network, and the VLR stores MME information and creates SGs (Serving Gateway) association between an MSC (Mobile Switching Center) of the 3G network andthe MME; the HLR stores the MSC position information of the 3G network; then the MME sends a position updating request to the MSC of the 2G network, and the VLR of the 2G network stores MME information and creates a related SGs association; the HLR stores the position information of the 2G network MSC; and when there is an incoming call, if the MSC of the 3G network fails, the HLR acquires a roaming number from the MSC of the 2G network to obtain the home location information of the mobile terminal, and the mobile terminal falls back to the 2G network cell to establish a call. The invention further comprises a corresponding system. According to the redundant joint attachment method and system, when the 4G multimode card has voice service and needs to fall back and the MSC of the 3G network is abnormal or the corresponding SGs interface fails, the call request is completed by the attached MSC of the 2G network, so that the service connection capability and the success rate are improved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Outer partition wall built by adopting light concrete partition wall boards and construction method thereof
ActiveCN102251606BEasy constructionShorten the construction periodWallsBuilding material handlingCarrying capacityVertical edge
Owner:BEIJING URBAN CONSTR FIFTH CONSTR GRP
Yeast protein adhesive and preparation method and application thereof
InactiveCN111040728AAvoid dependenceSolve pollutionNon-macromolecular adhesive additivesProtein adhesivesAdhesive cementPolymer science
The invention belongs to the technical field of aldehyde-free environment-friendly adhesives, and discloses a yeast protein adhesive and a preparation method and application thereof. The yeast proteinadhesive comprises 2-6 parts of yeast protein powder, 0.1-0.3 part of lauryl sodium sulfate, 3-5 parts of polyvinyl alcohol, 0.02-0.4 part of a cross-linking agent and 2-6 parts of water. The adhesive disclosed by the invention does not contain harmful volatile matters carried by aldehyde adhesives such as formaldehyde and phenol, and is good in adhesive property, relatively low in viscosity, simple in preparation process and relatively low in cost. The invention further provides an application of the adhesive to preparation of plywood, and the obtained plywood has good bonding strength.
Owner:SOUTH CHINA AGRI UNIV
Optical proximity correction method for optimizing connection performance of through hole layers
ActiveCN109494185AImprove connection performanceLarge coverage areaSemiconductor/solid-state device manufacturingOriginals for photomechanical treatmentSize adjustmentOptical proximity correction
The invention discloses an optical proximity correction method for optimizing the connection performance of through holes. The method comprises the steps that S1 a through hole initial pattern and oneor two connected metal layer patterns are provided; S2 selective size adjustment is carried out on the metal layer pattern to acquire a metal layer adjusted pattern; S3 a target through hole patternwith the through hole initial pattern coverage less than a predetermined threshold is acquired; S4 the size of the target through hole pattern is adjusted to acquire a through hole layer adjusted pattern, so that the coverage of the metal layer adjusted pattern on the through hole layer adjusted pattern is greater than or equal to the predetermined threshold; S5 the through hole initial pattern and the through hole layer adjusted pattern are combined to acquire a through hole layer combined pattern; and S6 optical proximity correction is carried out on the through hole layer combined pattern,and the corrected through hole layer combined pattern is output. The method provided by the technical scheme of the invention can effectively make up for insufficient coverage caused by metal layer size adjustment and ensure the process width of a narrow process window pattern of a metal layer.
Owner:SHANGHAI HUALI MICROELECTRONICS CORP
Combined shear connector for corrugated steel web and corrugated steel base plate and construction method
ActiveCN106400668AImprove pull-out resistanceImprove connection performanceBridge erection/assemblyRebarSteel plates
The invention discloses a combined shear connector for a corrugated steel web and a corrugated steel base plate and a construction method. The shear connector comprises the corrugated steel web, a lower flange steel plate, a web perforated steel plate, a flange plate strip-shaped perforated steel plate and shear connector construction steel bars. The corrugated steel web, the lower flange steel plate, the web perforated steel plate and the flange plate strip-shaped perforated steel plate are integrally connected through welding, and the shear connector construction steel bars penetrate through holes of the web and the flange plate strip-shaped perforated steel plate and are welded to shear connector longitudinal construction steel bars to form a steel bar skeleton. By adopting the shear connector, the problems that a traditional embedded shear connector is insufficient in integrity, a traditional flange type shear connector is difficult in base plate concrete pouring construction, and the quality of the reinforced concrete joint part is hard to ensure can be solved. Compared with other combined shear connectors, the combined shear connector is simple in structure, reasonable in structure, free of influence on base plate concrete pouring construction and good in reinforced concrete joint part quality and overall working performance and has good technical and economic benefits, and the steel bars are convenient to machine.
Owner:THE SECOND ENG CO LTD OF CHINA RAILWAY 14TH CONSTR BUREAU CO LTD
Fan welding process
ActiveCN112620995AEliminate welding residual stressImprove connection performanceWelding/cutting auxillary devicesAuxillary welding devicesPhysicsEnvironmental geology
The invention relates to the technical field of fan production, in particular to a fan welding process. The fan welding process comprises the following process steps of S1, butt welding of a machine shell; S2, oil pipe welding, specifically, S21, rough machining; S22, segmented welding; S3, weld inspection; S4, kerosene penetration test; S5, heat treatment, wherein a jacking oil pipe, an oil return pipe and a threading pipe are made of 304 stainless steel, a fan casing is made of Q345C, heat treatment is conducted on the fan casing, the jacking oil pipe, the oil return pipe and the threading pipe according to the heat treatment requirements of the 304 stainless steel and the Q345C, the fan casing, the jacking oil pipe, the oil return pipe and the threading pipe are heated to 400-500 DEG C, and heat preservation time is 24 hours; S6, hydraulic pressure test; and S7, paint spraying. By means of the compiled fan welding process, the welding residual stress of the weld position of the fan casing and the weld position of the oil pipe can be eliminated, the connecting performance of the fan casing and the oil pipe is improved, then the overall performance of the fan casing is enhanced, and the service life of the fan casing is prolonged.
Owner:陕西广大重型机械有限公司
Tapered threaded bolt body and tapered threaded nut
A tapered threaded bolt and nut are provided. The bolt comprises a main body; an outside helical surface and a first end helical surface are defined on the main body; a shape of the outside helical surface is the same as a shape of a lateral surface of a solid of revolution formed by using a right trapezoid as a generatrix, rotating uniformly around a cathetus of the right trapezoid which is coincident with a center axis of the main body, and synchronously, axially and uniformly moving the right trapezoid along the center axis of the main body; a shape of the first end helical surface is the same as a shape of helical end surface with a same direction as an axial moving direction of the solid of revolution. An inside helical surface and a second end helical surface are defined in a screw hole of the nut.
Owner:YOU YIHUA
Penetrating type connector combination
ActiveCN106252959AEasy to assembleImprove connection performanceCoupling contact membersContact members penetrating/cutting insulation/cable strandsEngineeringMechanical engineering
Owner:东莞市银润精密五金制品有限公司
Equal rigid arm velocity locking shock absorber
ActiveCN106436561BRealize the function of shock absorption and energy consumptionGuarantee the effect of shock absorption and energy consumptionBridge structural detailsIsolation effectMiniaturization
The invention relates to an equal rigid arm speed locking seismic isolation bearing which perfectly unifies the temperature displacement and seismic isolation function and also achieves the miniaturization requirement on the premise of guaranteeing the isolation effect. The technical scheme adopted by the equal rigid arm speed locking seismic isolation bearing includes a top seat board, an equal rigid arm, a shock transmission unit and a connecting seat. The top seat board is arranged at a steel basin. A sliding plate and a longitudinal guide are placed between the top seat board and the bottom seat plate. A ball concave plate welding is arranged at the bottom seat plate. The connecting seat is arranged at the right angle inside of the top seat board. The shell of the shock transmission unit is arranged at the top seat board. The end of a piston rod extending at both ends of the shell of the shock transmission unit is provided with a connecting block which is provided with a trapezoid tooth. The trapezoid tooth arranged at the connecting block mutually occludes the trapezoid tooth arranged at the connecting seat. One end of the equal rigid arm is connected to the bottom seat boar in hinge mode, while the other end is connected to the shell of the shock transmission unit in hinge mode. At least a pair of connecting seats symmetrically is arranged at the bottom surface of a top baseplate and at least a shock transmission unit is arranged at one side of the top seat board.
Owner:中交柏嘉工程技术研究院有限公司
A kind of anti-cracking mortar with less porosity and preparation method thereof
The invention relates to the technical field of building materials. Aiming at the problems of uneven cement hydration and pores that cannot be eliminated in time in the existing mortar, it discloses a less-porous anti-cracking mortar and a preparation method thereof. The mixed mortar includes the following components: 650‑700 parts of furnace bottom slag, 220‑240 parts of granulated blast furnace slag powder, 48‑50 parts of titanium gypsum, 10‑12 parts of Portland cement clinker, 6‑8 parts of glass powder, 4‑6 parts of heavy calcium, 3-5 parts of modified water reducer, 1-3 parts of modified vermiculite, 0.3-0.5 parts of sodium dodecylbenzenesulfonate, 600-700 parts of water. The invention realizes the adjustment and modification of the added components, realizes the overall formula optimization of the mortar, eliminates the pore defects in the mortar forming process, prolongs the effective time of cement hydration, eliminates the internal thermal stress in time, and improves the size shrinkage and resistance of the model. Cracking ability.
Owner:李果
Foam heat-insulating brick for roof
The invention discloses a foam heat-insulating brick for a roof.The brick is provided with a foam layer and a surface layer which achieve layer binding; the foam layer is prepared from, by weight, 625-930 parts of cement, 625-860 parts of dry sand, 1.8-2.2 parts of a foaming agent and 400-560 parts of water; the surface layer is prepared from, by weight, 120-128 parts of cement, 265-280 parts of small stones, 360-385 parts of fine sand and 96-105 parts of water.The foam heat-insulating brick is provided with the foam layer and the surface layer, the foam layer is mainly prepared from the cement, the dry sand, the foaming agent and the water in appropriate proportion, the surface layer is mainly prepared from the cement, the small stones, the fine sand and the water in appropriate proportion, preparation is easy, the cost is low, no pollution is generated, and the heat insulating effect is good.The foam layer components accounting for 5%-10% of the total weight of the surface layer are preferably added in the surface layer, therefore, connection between the surface layer and the foam layer can be greatly enhanced, the strength of the heat-insulating bricks can be improved, the firm and durable advantages are brought, and a certain benefit can be brought to the heat-insulating performance of the foam heat-insulating brick.
Owner:福建省东方水泥制品有限公司
A strong squeeze stable knife switch
The invention provides a powerful-extrusion stable knife switch. The switch comprises a shell, a knife holder is designed inside the shell, and a knife is hinged inside the shell at the front end of the knife holder. Block pieces are designed at the two sides of electricity connection pieces used in pairs. Hydraulic cavities are designed below the electricity connection pieces of the knife holder. Vertically extending slide bars between the paired electricity connection pieces are designed in the hydraulic cavities respectively. The bottom ends of the slide bars extend into the hydraulic cavities respectively. The slide bars and the hydraulic cavities are assembled in a sliding seal way. An elastic capsule is clamped between each electricity connection piece and the corresponding block piece, and each elastic capsule is connected into the corresponding hydraulic cavity through a vertical tube. The hydraulic cavities are filled with insulating liquid. When the knife switch is closed, the electricity connection pieces are clamped to the middle, and the electricity connection performance is better. The longer the use time of the switch is, the better the electricity connection performance is. Because of greater clamping force, the knife is not easily opened by touch, and the switch is safer in use.
Owner:苏州宏翊电气科技有限公司
Optical fiber end face processing method and optical fiber connector
ActiveCN103273415BAchieve connectionSolve the problem of poor cuttingLapping machinesCoupling light guidesFiberEngineering
The invention relates to an optical fiber end face processing method and an optical fiber connector. The method includes the steps of S1, penetrating an optical fiber through an insert core of the connector; S2, positioning length of one end, extending out of the insert core, of the optical fiber to form an extending end of the optical fiber; S3, inserting the extending end into a grinding groove of a grinder, using a grinding face of the grinding groove to abut the end face of the extending end to allow the end face to be in contact with the grinding face; S4, rotating the grinder, and grinding the end face of the extending end through the grinding face; wherein the length of the extending end is larger than the depth of the grinding groove. By the method, the problem of bad optical fiber end face cutting is solved, fully contact of optical fiber end faces is facilitated, return loss of the optical fiber connector is reduced, and insertion loss of the optical fiber connector is reduced.
Owner:SHENZHEN EPLU SCI TECH
Switching device
InactiveCN107112152ALow costImprove connection performanceElectric switchesSwitch condition indicationEngineeringDirect current
Owner:EATON IND (AUSTRIA) GMBH
A bridge prefabricated hollow pier post-cast connection structure and construction method
InactiveCN104746422BImprove connection performanceFast constructionBridge structural detailsFoundation engineeringEarthquake resistanceArchitectural engineering
Owner:柳州市建筑工程集团有限责任公司
Location update method and mobile terminal
ActiveCN103974231BImprove connection performanceIncrease success rateNetwork data managementCell searchThird generation
The invention provides a positioning updating method and a mobile terminal. The position updating method comprises the steps that the mobile terminal makes sure that a cell attached to a first SIM card supporting 2G / 3G modes changes; the mobile terminals triggers a second SIM card supporting an LTE mode to carry out CS domain target cell searching; the mobile terminal sends the mark of the CS domain target cell searched for by the second SIM card to corresponding network equipment, so that when the network equipment makes sure that the CS domain target cell is different from a CS domain first cell, a position updating request is sent to the network equipment corresponding to the mark of the CS domain target cell, and then data of the mobile terminal are input into the network equipment corresponding to the mark of the target cell. According to the position updating method and the mobile terminal, the data of the terminal can be input into the network equipment corresponding to the target cell in time, when the mobile terminal carries out CSFB dropping, the mobile terminal can rapidly drop back to the cell where the terminal is located, and service connection capacity and the success rate are improved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Mounting method of wall type energy dissipation device
ActiveCN106522399ALow costImprove connection performanceProtective buildings/sheltersShock proofingRebarSteel plates
The invention relates to a mounting method of wall type energy dissipation device, and belongs to the technology and construction field of construction engineering energy dissipation and shock absorption. The method comprises the step of firstly binding lower frame beam rebars and lower concrete connecting wall rebars, then fixing lower pre-buried anchor bars and a locating steel plate, afterwards shoring the frameworks of a lower frame beam and a lower concrete connecting wall, then conducting pouring on the lower frame beam and the lower concrete connecting wall, whereafter mounting adjustable supporting and locating models, upper pre-buried anchor bars, sleeves and upper connecting threaded rods, then binding upper frame beam rebars, upper concrete connecting wall rebars and shoring the frameworks thereof, afterwards conducting pouring on upper frame beam and upper concrete connecting wall, then removing the integral supporting and locating models, then locating H-shaped steel, then connecting the top of the wall type energy dissipation device to the upper connecting wall through the upper threaded rods and the sleeves, uplifting the H-shaped steel by the adjusting effect of middle connecting bolts, finally conducting secondary pouring on microexpanded concrete, and accordingly finishing the mounting of the wall type energy dissipation device. The mounting method of wall type energy dissipation device has the advantages of being convenient to build and simple and fast in detection and replacing after shock.
Owner:KUNMING UNIV OF SCI & TECH
Bamboo-wood structure beam column joint and method
PendingCN114197655AImprove connection performanceAvoid internal concentrationProtective buildings/sheltersBuilding material handlingEarthquake resistantAgricultural engineering
The invention discloses a bamboo-wood structure beam-column joint and method, and relates to the technical field of civil construction, the bamboo-wood structure beam-column joint comprises a joint main body, the joint main body comprises at least two channels communicated with each other, and each channel is provided with a bamboo-wood component; the bamboo-wood component comprises a supporting part and a supporting part which are connected into a whole, one channel is provided with a grouting hole corresponding to the supporting part, and the other channels are provided with slurry discharging holes corresponding to the supporting part. The joint main body and the bamboo-wood structure are cooperatively stressed, so that the connection performance of a beam-column joint area is improved, and the anti-seismic capacity requirement is met.
Owner:ENGINEERING RESEARCH INSTITUTE OF APPRAISAL AND STRENGTHENING SHANDONG JIANZHU UNIVERSITY +1
Building external wall thermal insulation and decoration integrated system
InactiveCN110453865AImprove connection performanceImprove safety performanceCovering/liningsFlooringThermal insulationIntegrated systems
The invention provides a building external wall thermal insulation and decoration integrated system. The building external wall thermal insulation and decoration integrated system comprises a glazed foaming ceramic thermal insulation plate, a bonded mortar layer (3) and two or more fasteners (6) correspondingly mounted on the upper side and the lower side of the glazed foaming ceramic thermal insulation plate, the longitudinal section of the glazed foaming ceramic thermal insulation plate is a trapezoid, the cross section of the glazed foaming ceramic thermal insulation plate is a rectangle ora trapezoid, the fasteners (6) comprise fixing parts (9) and inclined parts (8) inclined outwards, the fixing parts (9) are provided with first long holes (10), and can be fixed to a wall body (4) through an anchor bolt (7), the inclined parts (8) tightly abut against the glazed foaming ceramic thermal insulation plate, the included angles between the inclined parts (8) and the wall surface are larger than the base angles of the trapezoid, and the gaps between the inclined parts of the fasteners (6) and the inclined surface of the glazed foaming ceramic thermal insulation plate are filled with elastic rubber (5). According to the building external wall thermal insulation and decoration integrated system, the structure is simple, the connecting performance between the glazed foaming ceramic thermal insulation plate and the wall body can be greatly enhanced.
Owner:吴祥初
Method and system for redundant joint attachment
ActiveCN110351800BImprove connection performanceIncrease success rateWireless communicationComputer networkTelecommunications
The present invention provides a method for redundant joint attachment, including: MME sends a message to the VLR corresponding to the 3G network, and the VLR stores MME information, and creates an association between the MSC of the 3G network and the SGs of the MME; and makes the HLR store the MSC position information of the 3G network ;Then the MME sends a location update request to the MSC of the 2G network, the VLR of the 2G network stores the MME information, and creates the relevant SGs association; and makes the HLR store the location information of the MSC of the 2G network; when there is an incoming call, if the MSC of the 3G network appears Failure, the HLR obtains the roaming number from the MSC of the 2G network to obtain the home location information of the mobile terminal, and the mobile terminal falls back to the 2G network cell to establish a call. The invention also includes a corresponding system. In the method and system of redundant joint attachment of the present invention, when the 4G multi-mode card has a voice service that needs to fall back, and the MSC of the 3G network is abnormal or the corresponding SGs interface fails, the call request is completed by the attached MSC of the 2G network , Improving the business connection ability and success rate.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
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