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Heat-preservation sound-proof low-density foamed concrete
The invention discloses heat-preservation sound-proof low-density foamed concrete. The heat-preservation sound-proof low-density foamed concrete is characterized by being prepared from, by weight, 40-100 parts of cement, 5-40 parts of carbide slags, 5-40 parts of active powder, 1-20 parts of foaming agents, 0.1-8 parts of foam stabilizers, 0-8 parts of water reducing agents, 0-8 parts of coagulation accelerator, 0-25 parts of waterproof agents, 0.1-5 parts of anti-cracking agents and 25-150 parts of water, and the foamed concrete is prepared from the materials through mixing, foam molding and maintenance. The heat-preservation sound-proof low-density foamed concrete has the advantages of being low in dry density, low in heat conductivity coefficient, high in strength, wide in raw material source, low in cost, simple in preparation technology, convenient to prefabricate in factories or pour on site and the like; the heat-preservation sound-proof low-density foamed concrete is suitable for building exterior wall heat-preservation engineering, roof heat-preservation engineering, floor heating heat-preservation engineering, composite heat-preservation wall engineering, backfilling engineering, retaining wall slab engineering and the like.
Owner:株洲大禹恒基新材料有限公司
Polarized gas accumulators and heating jackets and associated gas collection methods and thaw methods and polarized gas products
InactiveUS6305190B1Increased polarizationReduce the amount requiredSolidificationLiquefactionNoble gasProcess engineering
Methods of collecting, thawing, and extending the useful polarized life of frozen polarized gases include heating a portion of the flow path and / or directly liquefying the frozen gas during thawing. A polarized noble gas product with an extended polarized life product is also included. Associated apparatus such as an accumulator and heating jacket for collecting, storing, and transporting polarized noble gases include a secondary flow channel which provides heat to a portion of the collection path during accumulation and during thawing.
Owner:POLAREAN
Lithium-sulfur battery positive electrode structure and preparation method thereof
ActiveCN103840125AEasy transferImprove discharge ratePositive electrodesElectrode collector coatingSulfurLithium–sulfur battery
The present invention relates to a lithium-sulfur battery positive electrode structure and a preparation method thereof. According to the lithium-sulfur battery positive electrode structure, a current collector is adopted as a substrate, two carbon-sulfur complex layers with different pore sizes are attached onto the substrate, the structure sequentially comprises the current collector, the large pore size carbon-sulfur complex layer and the small pore size carbon-sulfur complex layer, the thickness of the large pore size carbon-sulfur complex layer is 50-500 mum, the thickness of the small pore size carbon-sulfur complex layer is 10-200 mum, the large pore size carbon material is a carbon material with a pore size of greater than 100 nm and less than 1 mum and a pore volume accounting for 50-90% of the total pore volume, and the small pore size carbon material is a carbon material with a pore size of 0.5-100 nm and a pore volume accounting for more than 50-90% of the total pore volume. With the lithium-sulfur battery positive electrode structure, the mass transfer curvature of the lithium ions in the electrode is effectively increased, the lithium ion transmission path is prolonged, provision of the capacity of the high supporting capacity active substance is easily achieved, and the energy density of the battery is increased.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Motor noise-reducing structure of dust collector
InactiveCN107550392AImprove sound insulationExtended delivery pathSuction cleanersNoise reductionControl theory
The invention discloses a motor noise-reducing structure of a dust collector. The motor noise-reducing structure of the dust collector comprises a motor inner cover, wherein the motor inner cover is installed at the outer side of a dust collector motor, a first airflow cavity is formed between the motor inner cover and the dust collector motor, and the first airflow cavity is internally provided with a spiral flow guide plate; a motor outer cover, wherein the motor outer cover is installed at the outer side of the motor inner cover, a second airflow cavity is formed between the motor outer cover and the motor inner cover, the motor outer cover is a double-layer structure, the motor outer cover comprises an outer cover inner ring and an outer cover outer ring, a cavity is formed between theouter cover inner ring and the outer cover outer ring, the cavity is internally provided with a plurality of separating plates, and the separating plates are used for separating the cavity to form aplurality of noise-reducing cavities; and a shock ring, wherein the shock ring is circle-shaped, the shock ring is installed between the motor outer cover and a dust collector housing. The solution uses the noise-reducing structure, has the functions of sound insulation, shock absorption and noise reduction, and is capable of solving the technical problem that the noise of a current dust collectoris larger.
Owner:SUZHOU HAIGE ELECTRICAL TECH CO LTD
Sorting conveyor
PendingCN111217123AExpansion of logistics delivery route and delivery volumeSmall footprintConveyorsControl devices for conveyorsEngineeringMechanical engineering
Owner:NANTONG HONGTAI MASCH MFG CO LTD
Force transmission assembly of automobile rear shock absorber
ActiveCN111055926AExtended delivery pathEfficient deliverySuperstructure subunitsResilient suspensionsShock absorber
The invention discloses a force transmission assembly of an automobile rear shock absorber, which relates to the technical field of automobile bodies. The force transmission assembly of the automobilerear shock absorber comprises a rear side wall inner plate, a C-column reinforcing plate, a D-column assembly, a rear wheel cover and a rear shock absorber mounting plate arranged in the rear wheel cover, a first force transmission cavity is formed among the C-column reinforcing plate, the rear side wall inner plate and a rear wheel cover outer plate, and the first force transmission cavity extends to an arch cover part of the rear wheel cover outer plate; a second force transmission cavity is formed in the D-column assembly and is communicated with the first force transmission cavity; a rearside wall reinforcing beam is fixedly connected to the outer side of the rear side wall inner plate, one end of the rear side wall reinforcing beam is connected with the D-column assembly, and the other end of the rear side wall reinforcing beam is connected with the arch cover part of the rear wheel cover outer plate; the rear side wall reinforcing beam, the rear side wall inner plate, the D-column assembly and the rear wheel cover outer plate define a third force transmission cavity. The problem that an existing automobile rear side wall structure cannot effectively decompose and absorb force transmitted from a rear shock absorber can be solved.
Owner:DONGFENG LIUZHOU MOTOR
Power generator set
InactiveCN110500182AGood noise reduction effectIncrease noise reductionMachines/enginesEngine componentsElectric energyElectric generator
The invention relates to a power generator set. The power generator set comprises an engine, a power generator providing electric energy for the engine and a soundproof cover with a soundproof function and a protective function. The soundproof cover is provided with a functional opening and a silencing component located inside the functional opening. The silencing component is provided with a functional channel of a labyrinth structure. According to the power generator set, by arranging the silencing component of the special structure, in combination with the optimization of the structural parameter of the silencing component, the sound absorption area is increased beneficially, the transmission path of noise is prolonged beneficially, noise can form multiple reflections in the noise channel beneficially, more energy is dissipated, the silencing effect is better, dust blockage is facilitated, on the premise of guaranteeing that the silencing component meets normal intake and exhaust requirements of the engine and meeting the heat dissipation performance of the power generator set, the noise reduction of the noise within the wide band range (such as 50-6300Hz) is increased, outwardnoise radiation is reduced, and noise of the power generator set is lowered.
Owner:CHONGQING IONCIN NAVIGATION ENGINE MFG C0 LTD
Microwave detection device of material level in dry quenching furnace
InactiveCN104109540AEliminate the effects ofExtended delivery pathCoke quenchingCoke oven safety devicesGas chamberNitrogen gas
The invention relates to the field of detection of a material level in a dry quenching furnace and especially relates to a microwave detection device of the material level in the dry quenching furnace. The detection device includes a microwave detecting part and a temperature separating part. A cone-shaped sealing shield is installed on the bottom of the microwave detecting part in a sealing manner. A high-temperature-resistant wave-transparent quartz glass is installed on the top of the temperature separating part in a sealing manner. An upper surface of the high-temperature-resistant wave-transparent quartz glass is a lower sealing surface of a sealed gas chamber. A blowing gas channel is arranged on a lower part of the temperature separating part and surrounds the high-temperature-resistant wave-transparent quartz glass. A blowing direction of the blowing gas channel is faced to the lower surface of the high-temperature-resistant wave-transparent quartz glass. A heat-insulation sealing gasket is disposed between the temperature separating part and the sealing gas chamber. By means of the detection device, a temperature requirement of a normal operation can be satisfied without any cooling gas. Microwave detection apparatus are free from being damaged although a gas-supplying failure in a nitrogen cooling system is generated or the high-temperature-resistant wave-transparent quartz glass is broken, thereby ensuring the normal operation of a production process and reducing economic loss.
Owner:BAOSHAN IRON & STEEL CO LTD
Tobacco alcoholization device
ActiveCN111758995ARealize continuous dynamic alcoholizationGuaranteed uniformityConveyorsTobacco treatmentThermodynamicsEngineering
According to a tobacco alcoholization device provided by the invention, the tobacco alcoholization quality is remarkably improved through the double circulation of temperature and humidity air circulation and tobacco material circulation, and the tobacco alcoholization quality is observably improved. The device comprises an alcoholization chamber, at least two first conveyors which are arranged ina layered mode from top to bottom are arranged in the alcoholization chamber, and material elevators are arranged on sides of the first conveyors so as to elevate and convey tobacco materials locatedon the first conveyor on the lower layer to the first conveyor on the upper layer; and the device also comprises temperature and humidity air circulating equipment used for providing a temperature and humidity air environment for the alcoholization chamber. According to the tobacco alcoholization device, the tobacco materials are alcoholized in the dynamic conveying process, so that the tobacco materials make full and uniform contact with the alcoholizing environment provided by warm and wet air, the uniformity of the temperature, humidity and oxygen content of the tobacco materials is remarkably improved, and the alcoholizing efficiency and quality are improved.
Owner:INNER MONGOLIA KUNMING CIGARETTE CO LTD +2
Sterile oxygen supply device
The invention discloses a sterile oxygen supply device. The sterile oxygen supply device comprises a closed container, a humidification unit of the closed container, an oxygen input port and an oxygen output port. The closed container is composed of an upper shell and a lower shell which are connected, a central tube is arranged in the middle of the closed container from top to bottom, a baffle is arranged inside the closed container between the oxygen input port and the oxygen output port, a plurality of radiating air baffles are arranged inside the closed container at the same angle with the central tube as a center, two adjacent air baffles are internally and externally provided with vents alternately, and the humidification unit is hydrogel containing an antibiotic preservative. The sterile oxygen supply device has no noise, antibiosis, no iatrogenic infection, good oxygen humidification effect and simple structure.
Owner:广东弘和健康产业集团有限公司
Open type sinking air floatation platform overhead floor overhanging vibration damping system
ActiveCN111156285AWill not interfere with each otherEasy to organize constructionFoundation engineeringVibration suppression adjustmentsAir springClassical mechanics
The invention provides an open type sinking air floatation platform overhead floor overhanging vibration damping system. The system comprises a vibration isolation platform (2) providing a support plane for upper equipment (1), a plurality of air spring vibration isolators (3) arranged below the vibration isolation platform (2), an overhead floor (4) in which a vibration isolation joint is left onthe side surface of the vibration isolation platform (2) and a gap is left on the top surface of a vibration isolation foundation of an air floatation platform and isolated from the air floatation platform and independent of each other, a supporting main steel beam (5) which is an overhanging type section steel member and used for supporting a supporting secondary steel beam (6) and the overheadfloor (4), the supporting secondary steel beam (6) which is a steel member, connected with the overhead floor (4) and used for supporting the overhead floor (4), and a concrete terrace (7) which is formed by indoor and outdoor terraces around the vibration isolation platform (2) and serves as an anchoring section for the supporting main steel beam (5), wherein one section of the supporting main steel beam (5) is anchored into the concrete terrace (7), so that a supporting structure formed by the overhead floor (4) is completely isolated from the air floatation vibration isolation platform.
Owner:CHINA IPPR INT ENG
Thermal protection mounting structure for pressure measuring sensor in narrow space
ActiveCN111103143AEasy to fixImprove thermal protection performanceEngine testingStands/trestlesCombustion chamberEngineering
The invention belongs to a mounting structure of a high-temperature gas pressure measuring sensor, aims to solve the technical problems in the prior art that when a pressure measuring sensor is used for measuring the pressure of a combustion chamber, the pressure measuring sensor is prone to inaccurate measurement and even measurement failure due to the fact that the installation space is limitedand the measuring environment is severe, and provides a thermal protection mounting structure for a pressure measuring sensor in narrow space. The thermal protection mounting structure comprises a supporting base, a pressure measuring guide pipe and a hoop. The upper part of the supporting base is an L-shaped fixing plate, and the lower part is a supporting base; one end of the supporting base isconnected to the bottom of the fixing plate, and the other end is fixed to the wall of the combustion chamber. The hoop is arranged on the outer side of the pressure measuring sensor in a sleeving mode, and the hoop connector is installed on the side wall of the fixing plate; one end of the pressure measuring guide pipe is connected with the detection end of the pressure measuring sensor, the other end is communicated with the interior of the combustion chamber, and the middle of the pressure measuring guide pipe is coiled and the pressure measuring guide pipe bypasses the supporting base.
Owner:XIAN AEROSPACE PROPULSION INST
Oxygen humidifying and conveying device
InactiveCN101912658AExtended delivery pathAchieve noiseless humidificationRespiratorsPreservativeLiquid water
The invention discloses an oxygen humidifying and conveying device. The device comprises a closed container, a humidifying unit of the closed container, an oxygen input port and an oxygen output port, wherein the closed container is formed by connecting an upper shell and a lower shell; the middle of the closed container is provided with a central pipe from the top to the bottom; a partition board is arranged in the closed container between the oxygen input port and the oxygen output port; a plurality of radial oxygen baffle plates are arranged in the closed container at equal angles by using the central pipe as a center; each oxygen baffle plate is provided with a vent port and the vent ports on adjacent two oxygen baffle plates are formed in an internal and external partition mode; the humidifying unit is a humidifying unit of a synthetic macromolecular water absorption material after absorbing water or a mixture of a synthetic macromolecular material and liquid water; and the humidifying unit contains antibacterial agent and preservative. The oxygen conveying device has the advantages of no noise, bacteria resistance, no iatrogenic infection, good oxygen humidifying effect and simple structure.
Owner:吴涛
Environment-friendly heat-preserving hollow building block and preparation method thereof
ActiveCN105948600AHigh mechanical strengthImprove insulation effectSolid waste managementWallsEnvironmental resistanceBrick
The invention relates to the technical field of building materials, in particular to the technical field of hollow building bricks, and particularly discloses an environment-friendly heat-preserving hollow building block. The building block comprises the following raw material components in parts by weight: 1 part of cement, 0.35-0.428 part of fly ash, 1.326-1.685 parts of pumice stone coarse aggregates, 1.258-1.537 parts of ferrous mine tailing sand and pumice sand mixed fine aggregates, 0.003-0.006 part of additive and 0.35-0.45 part of water. The preparation method of the environment-friendly heat-insulating hollow building block comprises the following steps: uniformly mixing and stirring all the raw material components, entering a mold for vibration molding and curing. The building brick has the advantages of being higher in compressive strength, good in heat preservation and heat insulation properties, low in preparation cost and the like and can realize the effective utilization of pumice stone resources and ferrous mine tailing sand solid wastes; the preparation method of the environment-friendly heat-insulating hollow building block is simple and easy to implement and is particularly suitable for popularization and use in the northern area of China.
Owner:HEBEI INSTITUTE OF ARCHITECTURE AND CIVIL ENGINEERING
Flexographic printing equipment
PendingCN111923586AImprove waterproof performanceIncrease productivityPretreated surfacesRotary pressesPaper tapePrinting press
The invention relates to flexographic printing equipment. The flexographic printing equipment comprises a body and an unwinding mechanism, a printing mechanism and a winding mechanism which are sequentially arranged, wherein a coating mechanism for coating a degradable plastic layer is arranged between the unwinding mechanism and the printing mechanism, the coating mechanism comprises a conveyingroller, a coating roller and a supporting roller rotationally connected on the body, the conveying roller abuts against the coating roller, a gap allowing paper tapes to pass through is formed betweenthe coating roller and the supporting roller, and a drying mechanism is arranged between the coating mechanism and the printing mechanism. The coating mechanism and the drying mechanism are arrangedon the body, the coating mechanism coats the surface of the paper tape with the degradable plastic layer to improve the waterproof performance of the paper tape, the drying mechanism timely dries thepaper tape, and the continuously conveyed paper tape is subjected to surface printing by the printing mechanism and finally wound well, so that coating of the degradable plastic layer and coating canbe completed on the degradable plastic layer on the surface of the paper tape through one device, the production is simplified effectively, and the space of a plant occupied by the equipment can be effectively reduced while the production efficiency is improved.
Owner:陈海军 +1
Auxiliary groove structure for suppressing vibration noise of vehicle permanent magnet synchronous motor
PendingCN112072832ASuppress vibration noiseReduce vibration frequencySound producing devicesCooling/ventillation arrangementPermanent magnet synchronous motorElectric machinery
The invention discloses an auxiliary groove structure for suppressing vibration noise of a vehicle permanent magnet synchronous motor. The auxiliary groove structure comprises a groove body, a bufferassembly, a first noise reduction assembly and a second noise reduction assembly, the lower surface of the groove body is fixedly connected with a support, the right end of the outer surface of the groove body is fixedly connected with a first flange, and the left side face in the groove body is fixedly connected with a buffer pad; a second flange is arranged at the front end of the outer surfaceof an end cover, the second flange is fixedly connected with the first flange through a bolt, a mounting hole is formed in the middle of the end cover, and a cooling fan is mounted in the mounting hole; the buffer assembly is fixedly connected to the inner bottom surface of the groove body, and the upper surface of the buffer component is fixedly connected with a motor, the auxiliary groove structure for suppressing the vibration noise of the permanent magnet synchronous motor for the vehicle has the advantages that the vibration of the motor is reduced, the noise reduction is performed through multiple noise reduction measures, the effect is obvious, in addition, the heat on the surface of the motor can be fast transferred out, the heat dissipation efficiency is improved, the aging of internal elements is delayed, and the service life is prolonged.
Owner:江苏联博精密科技股份有限公司
Chip package structure and method of manufacturing the same
InactiveCN105990498AImprove optical propertiesImprove light conversion extraction efficiencySemiconductor devicesReflectivityElectrical and Electronics engineering
A chip package structure and a method of manufacturing the same are provided. The chip package structure includes a substrate with a carrier surface, a chip having a first surface and a second surface positioned oppositely and a side surface connecting the first surface and the second surface, a colloid layer and a fluorescent layer. The second surface of the chip is disposed on the carrier surface of the substrate. The fluorescent layer fully covers the first surface of the chip. The colloid layer covers the carrier surface of the substrate and the side surface of the chip. A reflectivity of the colloid layer is at least greater than 90%. Optical properties of the chip package structure can be improved and a light conversion extraction efficiency can be increased.
Owner:GENESIS PHOTONICS
High-performance navy blue reactive dye composition and application thereof
ActiveCN109294275AHigh color fastnessLow electronegativityReactive dyesDyeing processStructural formulaCoupling reaction
The invention discloses a high-performance navy blue reactive dye composition and application thereof, and belongs to the technical field of reactive dyes. The high-performance navy blue reactive dyecomposition is prepared by mixing 46-53 wt% of a compound as shown in the general structural formula (I), 43-49 wt% of a compound as shown in the general formula (II) and 2-5 wt% of a compound as shown in the general formula (III). The preparation of the compound as shown in the general formula (I) comprises the steps of diazotization reaction and coupling reaction; the preparation of the compoundas shown in the general formula (II) comprises the steps of chromophore preparation and double condensation reaction; and the preparation of the compound as shown in the general formula (III) comprises steps of double condensation reaction, diazotization reaction and coupling reaction. When the dye composition is applied, the dye composition is mixed with a dispersing agent, a dust-proof agent and anhydrous sodium sulphate to prepare a commercial dye, which is applied to dyeing and printing of rayon fabric. The navy blue reactive dye composition has high fixation rate, good stability and excellent process tolerance; and the structure of a spray drying device used in the preparation method is optimized and the application value is high.
Owner:江苏德美科化工有限公司
Air conditioning unit, compressor and shell structure of compressor
ActiveCN107044421AIncrease transmission distanceExtended delivery pathRotary/oscillating piston combinations for elastic fluidsPositive displacement pump componentsEngineeringElectrical and Electronics engineering
The invention provides a shell structure which comprises a shell, a supporting component and a connecting component. A plurality of supporting legs are arranged at the bottom of the shell. The supporting component is arranged in the shell and support a motor and a rotor of a compressor. One end of the connecting component is connected with the supporting component, and the other end of the connecting component is connected with the shell. The joint of the connecting component and the shell is away from the supporting legs. Thus, vibration needs to pass through a transfer path on the shell to reach the supporting legs, and the problem that due to the fact that current supporting ribs directly transfer vibration to the supporting legs, the vibration value of the compressor is too large is effectively solved. The transfer path of vibration on the shell is prolonged, and therefore the vibration value transferred to a whole air conditioning unit in the motion process is reduced, finally the vibration value of the whole air conditioning unit is reduced, and the operating reliability of the whole unit is guaranteed. The invention further provides the air conditioning unit and the compressor thereof.
Owner:GREE ELECTRIC APPLIANCES INC OF ZHUHAI
Automatic yarn combing device for liquid control yarn production
PendingCN111304851AExtended delivery pathAchieve recyclingLiquid/gas/vapor removal by squeezing rollersFibre cleaning/openingYarnIndustrial engineering
The invention discloses an automatic yarn combing device for liquid control yarn production. The automatic yarn combing device comprises a combing and cleaning box, a drying box and a yarn combing box; a cleaning roller is arranged in the combing and cleaning box and immersed in water solution; a first water extruding roller is arranged on the drying box; a second water extruding roller is arranged below the first water extruding roller; a first guide roller is arranged on the drying box; a first drying roller and a second drying roller are arranged in the drying box; a heating device and an air separation piece are arranged in the drying box; an air spraying head is arranged on the air separation piece; a first air extractor is arranged on the yarn combing box and provided with a conveying pipe and an air return pipe; a dehumidifying box is arranged on the yarn combing box and provided with a dehumidifying device; tension devices are arranged on two sides in the yarn combing box and provided with tension rollers; and second guide rollers are arranged on the yarn combing box and positioned on two sides of the tension rollers. The automatic yarn combing device is various in function, simple in operation and convenient to use, integrates the functions of combing, cleaning, drying, brushing and absorbing, and is excellent in yarn combing effect, and the yarn production efficiencyis improved.
Owner:SUZHOU KANGFU INTELLIGENT TECH CO LTD
Geopolymer thermal insulation building block filler and preparation method thereof
InactiveCN111635176AExtended delivery pathFoam volume controllableSolid waste managementCement productionFoaming agentThermal insulation
The invention discloses a geopolymer thermal insulation building block filler and a preparation method thereof. The environment-friendly masonry mortar provided by the invention comprises the following components in parts by weight: 700 to 950 parts of an industrial solid waste admixture, 0 to 250 parts of cement, 1 to 3 parts of a foaming agent, 1 to 3 parts of a stabilizer, 4 to 20 parts of a reinforcing agent, 50 to 80 parts of sodium carbonate, and 300 to 560 parts of mixing water. Compared with the prior art, the geopolymer thermal insulation building block filler has the following beneficial effects that: the foaming process is stable, the volume is controllable, bubbles respectively form independent closed spaces, and the transmission paths of heat and sound are prolonged, so that agood heat preservation and insulation effect is achieved, the added sodium carbonate excitant is weak base, so that the uncontrollability of alkali construction is prevented from being directly enhanced, and the setting time of the filler is shortened, the raw materials mainly come from industrial wastes and are easy to obtain and low in cost, so that the environment is protected, and the workingperformance of the thermal insulation building block filler is improved.
Owner:XIANGTAN UNIV
Saddle-shaped spatial pre-stressed ring beam
ActiveCN107419849AIncrease stiffnessPrevent buckling damageGirdersJoistsPrestressed concrete beamPre stress
The invention relates to a saddle-shaped spatial pre-stressed ring beam. The saddle-shaped spatial pre-stressed ring beam consists of an inner ring beam, an outer ring beam and radial beams, wherein the inner ring beam is connected with the outer ring beam through the radial beams; the inner ring beam is a multi-span uniform-section continuous variable-elevation pre-stressed concrete beam; the outer ring beam is a multi-span uniform-section continuous variable-elevation reinforced concrete beam; the radial beams are single-span uniform-section horizontal reinforced concrete beams; curve pre-stressed tendons, straight-line pre-stressed tendons and regular reinforcements are arranged in the inner ring beam in a ring-shaped manner; the pre-stressed tendons and the regular reinforcements of the inner ring beam are arranged in the way that after arrangement of the regular reinforcements, the straight-line pre-stressed tendons are uniformly arranged along the periphery of the beam section at first within the range of a reinforcement cage formed by the regular reinforcements, and then the curve pre-stressed tendons are arranged between the straight-line pre-stressed tendons at the top layer; the inner ring beam and the outer ring beam are connected with a lower concrete structure through cast-in-place reinforced concrete beam-column joints; a cable-membrane structure and a spatial saddle-shaped ring beam are connected through a sliding hinged support; and the sliding hinged support realizes radial horizontal constraint release and circumferential horizontal constraint preservation.
Owner:ARCHITECTURAL DESIGN & RES INST OF TSINGHUA UNIV
Automatic feeding device for end face machining
ActiveCN112720032AHigh degree of automationImprove processing efficiencyPositioning apparatusMetal working apparatusEngineeringPower equipment
The invention relates to the technical field of part machining, and discloses an automatic feeding device for end face machining. The automatic feeding device for end face machining comprises a pushing device, an automatic positioning device and a discharging device, wherein workpieces to be machined are continuously conveyed to the automatic positioning device through the pushing device so as to be positioned and clamped, and discharging is conducted through the discharging device, so that the continuous and automatic end face machining procedure is achieved, the automation degree is high, and the working efficiency is high; in addition, a conveying mechanism in the automatic positioning device drives a conveying wheel to do eccentric rotating motion through an eccentric shaft, so that clamping of the workpieces is achieved; in the workpiece conveying motion process of the conveying wheel, on one hand, the workpiece conveying path is increased, and the diameter of the conveying wheel needed for conveying the workpieces with the same size is reduced, so that the equipment size is reduced, and the equipment cost is reduced; on the other hand, the conveying wheel can drive a positioning mechanism to position the workpieces in the eccentric movement process, so that the synchronism between the positioning mechanism and the conveying mechanism is guaranteed; and the positioning mechanism does not need extra power, so that the equipment cost is low.
Owner:襄阳鼎超机械制造有限公司
Plastic door and window frame profiles with triangular chambers and composite materials used
ActiveCN105019778BLower heat transfer coefficientExtended pathCondensed water drain-offTrimethylsilyl chlorideEngineering
A plastic door and window frame sectional bar with triangular cavities comprises an outer sectional bar vertical face and an inner sectional bar vertical face. A drainage channel and a first outer side heat insulation cavity are arranged on the inner side of the outer sectional bar vertical face side by side. A sealed triangular cavity group composed of at least twelve triangular cavities arranged in a meshed mode is arranged inside the sectional bar. The section of each triangular cavity is triangular. A second outer side heat insulation cavity is arranged between the drainage channel and the closed triangular cavity group. An inner vertical face web girder is arranged on the inner sectional bar vertical face. An inner vertical face heat insulation cavity is arranged between the inner vertical face web girder and the closed triangular cavity group. A composite material for manufacturing the plastic door and window sectional bar comprises, by weight, 100 parts of PVC resin, 3-4 parts of barium stearate, 1-3 parts of nano-graphite particles obtained through surface physical modification, 6-10 parts of chlorinated polyethylene, 5 parts of titanium dioxide, 5 parts of activated calcium carbonate, 1-3 parts of glyceryl monostearate, 2-3 parts of polyacrylate and 0.5-1.6 parts of expanded and vitrified small balls obtained after surface modification is performed through trimethylchlorosilane.
Owner:山东省建筑科学研究院有限公司
Direct drinking water conveying device capable of solving problems that water cannot be automatically added and cannot be quantitatively discharged
The invention relates to the technical field of drinking water purification, and discloses a direct drinking water conveying device capable of solving the problems that water cannot be automatically added and water cannot be quantitatively discharged. The direct drinking water conveying device comprises a shell, the whole device is supported and stabilized through the shell, and a water storage tank is movably connected to the interior of the shell; through cooperation of apinion gear, a piston and an inlet pipe, when the drinking water device is used for heating, water can be automatically added, so that the situation that the device is burnt out and the service life is shortened due to empty burning of the water storage tank is avoided; through cooperative use of the water outlet pipe, the handle, the limiting block and the cam, quantitative water receiving can be achieved during water receiving, watching aside is not needed, and meanwhile, water is prevented from overflowing out ofa cup due toexcessive water receiving amount, and scalding is prevented, so that a more intelligent effect is achieved; through cooperative use of the air bag, the push rod and the swing rod, when automatic water adding is carried out, operation is carried out without the help of external energy substances, linkage is carried out through the water level difference, and the purpose of automatic water adding is achieved, so that more energy is saved, and more environmental friendliness is achieved.
Owner:杭州创娴工业科技有限公司
Loudspeaker module and electronic equipment with loudspeaker module
The invention discloses a loudspeaker module and an electronic equipment with the loudspeaker module, the loudspeaker module comprises a device shell and a loudspeaker, the loudspeaker is arranged in the device shell, and the loudspeaker module is characterized by further comprising an annular retaining wall arranged around the sound outlet side of the loudspeaker; the fixing structure comprises a first fixed part and a second fixed part, the first fixed part is arranged on the device shell, the second fixed part is fixedly connected with the loudspeaker, and the loudspeaker is fixed on the device shell through the fixing structure; and the buffer part is arranged between the first fixed part and the second fixed part, and the buffer part is connected between the device shell and the loudspeaker. According to the structure, sound output by the loudspeaker can be concentrated, and vibration of the loudspeaker can be prevented from being transmitted to the device shell.
Owner:QISDA OPTRONICS (SUZHOU) CO LTD +1
Hybrid power transmission and automobile
InactiveCN111791695AImprove work efficiencyEasy selectionGas pressure propulsion mountingPlural diverse prime-mover propulsion mountingGear wheelElectric machinery
The invention provides a hybrid power transmission and an automobile. The hybrid power transmission includes a first countershaft assembly including a first countershaft constant mesh gear, a second countershaft assembly comprising a second countershaft constant mesh gear meshed with the first countershaft constant mesh gear and a driving gear used for outputting two gears by motor power, a thirdcountershaft assembly comprising a driven gear meshed with the two driving gears on the second countershaft assembly, and further comprising a third countershaft ring gear, a reverse gear shaft assembly including a reverse gear and a reverse gear shaft ring gear, and a differential assembly comprising a differential ring gear. A synchronizer is arranged between two driven gears on the third countershaft assembly; the differential ring gear is meshed with the output shaft ring gear, the reverse gear shaft ring gear and the third countershaft ring gear at the same time. According to the scheme,the transmission ratio is increased, torque output is increased, and model selection of the motor is facilitated; by lengthening the transmission path, the arrangement of the motor is facilitated.
Owner:北京汽车动力总成有限公司
Electronic device
ActiveCN112929767AExtended delivery pathReduce deliveryLoudspeaker transducer fixingLoudspeakersEngineeringLoudspeaker
The invention provides an electronic device. The electronic device comprises a shell, a supporting part, a first buffering part, a second buffering part and a loudspeaker. The supporting part comprises a first section and a second section which are vertically arranged, and the first section and the second section are provided with a first open hole and a second open hole respectively. The first buffer part is arranged in the first opening of the first section. The second buffer part is arranged in the second opening of the second section. The loudspeaker is supported on the shell through the supporting part, the first buffering part is connected to the loudspeaker, and the second buffering part is connected to the shell.
Owner:QISDA OPTRONICS (SUZHOU) CO LTD +1
Anti-scalding cooking container and steam heating type electric cooker
ActiveCN110946460AImprove heat resistanceGood anti-scald effectCooking-vessel lids/coversSteam cooking vesselsThermodynamicsProcess engineering
The invention discloses an anti-scalding cooking container and a steam heating type electric cooker. The invention belongs to the field of cooking appliances, the problem that an existing cooking container handle is poor in heat insulation effect is solved. The anti-scald cooking container comprises a container body and a cover body, the cover body detachably covers the container body, a steam injection port is formed in the cover body, the container body comprises a metal container and a heat insulation ring installed on the metal container, the heat insulation ring is provided with a protection part formed by extending downwards from an opening of the metal container, and a handle is arranged on the protection part. By the adoption of the anti-scalding cooking container, even if cookingis conducted for a long time, the surface of the handle can still be kept at a low temperature, a better anti-scalding effect is achieved, and meanwhile the installation reliability and the holding stability of the handle are guaranteed.
Owner:JOYOUNG CO LTD
Biochemical analyzer feeding unit dissolving and stirring mechanism
ActiveCN112619497ARealize the effect of rotation mixing and agitationRealize revolution mixing effectRotating receptacle mixersTransportation and packagingCircular discGear wheel
The invention discloses a biochemical analyzer feeding unit dissolving and stirring mechanism which comprises an upper-layer disc carrier plate and a lower-layer disc carrier plate; a mandrel is mounted in the centers of the upper-layer disc carrier plate and the lower-layer disc carrier plate through bearing assemblies, a series of penetrating through holes are distributed in the peripheral edges of the upper-layer disc carrier plate and the lower-layer disc carrier plate, and rotary drum components are mounted in the through holes through shaft sleeves; edge gears are fixedly sleeved on the outer sides of the rotary drum components, a central gear is fixed on the mandrel and meshed with the edge gears, a driven gear is arranged on the lower portion or the edge of the lower-layer disc carrier plate, a rotary driving motor is mounted on the base, a driving gear is mounted on a rotary shaft of the rotary driving motor, and the driving gear is meshed with the driven gear. Corresponding reagent container components located on the edges of the upper-layer disc carrier plate and the lower-layer disc carrier plate can autorotate while revolving, the autorotation mixing and stirring effect of a single reagent container component is achieved through autorotation, and the revolution mixing and stirring effect is achieved by changing the revolution speed.
Owner:江西菲拓生物科技有限公司
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