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31results about How to "Large elastic range" patented technology
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Elastic measuring head in three-dimensional micro-nano contact scanning probe
The invention discloses an elastic measuring head in a three-dimensional micro-nano contact scanning probe. The elastic measuring head is characterized in that: a cross suspension piece is arranged in the center of a fixed circular ring; a cantilever spring plate is connected to the arm end of each cantilever in the cross suspension piece, and the other end of each cantilever spring plate is connected with the fixed circular ring to form a suspension structure of the cross suspension piece in the fixed circular ring; on a side plane, towards the inside of a cylinder body, of the cross suspension piece, a center plane reflective mirror is arranged in the center of the cross suspension piece, and a cantilever plane reflective mirror is arranged on the arm end part of at least one cantilever which is positioned at the cross suspension piece; and on a side plate, towards the outside of the cylinder body, of the cross suspension piece, a scanning probe is fixedly arranged in the center of the cross suspension piece, and a measuring ball positioned at the foremost end of the scanning probe is fixedly arranged on the end part of the scanning probe. The elastic measuring head disclosed by the invention can obtain detection effects with wide measuring range, high accuracy, high sensitivity and small measured force.
Owner:HEFEI UNIV OF TECH
Three-dimensional micro nanometer contact scanning probe
The invention discloses a three-dimensional micro nanometer contact scanning probe, which is characterized in that in the front section of a cylinder, a Michelson interferometer is fixedly arranged in an installation box; in a rear section of the cylinder, a two-dimensional sensor is fixedly installed on an installation plate; a fixing ring is arranged at the front end of the front section of thecylinder, a cross suspension sheet is arranged in the center of the fixing ring, each cantilever of the cross suspension sheet is connected with the fixing ring through each cantilever spring sheet to form a suspension structure, a central planar reflection mirror and at least one cantilever planar reflection mirror are respectively positioned on the cross suspension sheet, emergent light of the Michelson interferometer is projected on the central planar reflection mirror, emergent light of the two-dimensional sensor is projected on the cantilever planar reflection mirror, and on one side plane of the cross suspension sheet towards the outside of the cylinder, the scanning probe is fixedly installed in the center of the cross suspension sheet. The three-line structured light machine vision width measurement method can acquire detection effects with large range, high accuracy, high flexibility and small measurement force.
Owner:HEFEI UNIV OF TECH
Polyester composite elastic fiber
InactiveCN104452008ASolve the shortcomings of stiff hand feelingFeel goodConjugated synthetic polymer artificial filamentsYarnTouch SensesPressure sense
The invention discloses polyester composite elastic fiber. A fiber tow is formed by mixing two types of monofilaments of different fineness degrees and structures, and comprises the double-component coarse denier filaments wrapped on the inner side and the single-component fine denier filaments wrapped on the outer side. The double-component coarse denier filaments are formed by compositing two types of polyesters or copolyesters and of the parallel type or eccentric core sheath structure, and have the good natural crimp property and the permanent elastic resilience, wherein the polyesters or the copolyesters have viscosity differences, and the filament number ranges from 1.5 D to 10 D. The fine denier filaments are composed of single components which are the same as those of the coarse denier composite filaments, and the filament number ranges from 0.2 D to 1.5 D. Elastic fabric is endowed with excellent hand feeling due to the fiber, and the touch sense is flexible and fine; the elasticity range of the fabric is wide, the elastic force is appropriate, no pressure sense exists, the polyester composite elastic fiber is particularly suitable for heavy elastic fabric and products, the handle feeling can be soft and fluffy, the elastic force can be easily and freely adjusted, and the situation that the tight constraint feeling is caused when the elastic force is too large can not be caused.
Owner:SHANGHAI VITA SCI & TECH
High-intensity low-modulus metastable beta titanium alloy tooth arch wire
InactiveCN103627929AGood biocompatibilityNot corrosiveArch wiresBiocompatibility TestingHigh intensity
The invention provides a high-intensity low-modulus metastable beta titanium alloy tooth arch wire which is characterized by comprising the following nominal chemical components in percentage by mass: 11 percent of Mo, 3 percent of Nb, 5 percent of Zr, 4 percent of Sn and the balance of titanium and unavoidable impurities. The tooth arch wire provided by the invention has good biocompatibility, high tensile strength, low elastic modulus, a wide elastic range and excellent resilience; moreover, the orthodontic force of the high-intensity low-modulus metastable beta titanium alloy tooth arch wire is lower than that of a stainless steel wire, but is higher than that of a nickel-titanium alloy wire, the elastic modulus of the high-intensity low-modulus metastable beta titanium alloy tooth arch wire is only one fourth to one third of that of the stainless steel wire, and the high-intensity low-modulus metastable beta titanium alloy tooth arch wire has a wider elastic range and a wider orthodontic displacement range than the stainless steel wire. Utilization of the tooth arch wire provided by the invention can obtain the stable and mild orthodontic force and durable and moderate displacement and can realize larger displacement of teeth without replacing an orthopedic wire or only by replacing the orthopedic wire a little.
Owner:NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH
Combined fluidized bed slag cooling apparatus
ActiveCN101476721AImprove mobilityWell mixedFluidized bed combustionApparatus for fluidised bed combustionSlagFluidized bed
The invention relates to a combined fluidized bed slag cooler, which comprises a body, a wind box, an air distributing device, a slag inlet pipe, a slag outlet pipe, an air inlet pipe and an air outlet pipe. The body is provided with the slag inlet pipe, and the bottom of the body is connected with the slag outlet pipe. The lower part of the body is provided with the air distributing device and connected with the wind box of the air inlet pipe, and the top of the body is connected with the air outlet pipe. The slag outlet pipe is provided with a spraying pipe for air intake inside to make the three working areas with different flowing states formed from the lower part to the upper part in the body, the lower part is a spraying area, the middle part is an annular fluidizing area, and the upper part is a suspending and settling area. The upper side of the spraying pipe is provided with a guide pipe. The outlet of the slag outlet pipe is provided with a mechanical slag outlet valve or a conveyor. The transverse and longitudinal mixing of gas-solid two-phase in the bed is obviously strengthened under the coaction of spraying air and fluidizing air. The problems of poor transverse mixing, easy accumulation of local bed materials, delamination, aggregation and the like of the fluidized bed slag cooler are solved. The furnace slag granules can be sufficiently and effectively cooled. The combined fluidized bed slag cooler is used for cooling bottom slag of a CFB boiler or other high-temperature solid granular materials.
Owner:EASTERN BOILER CONTROL CO LTD
Fitting support and opening roller with quick release lock
ActiveCN103215702ALow costEasy to installShaft and bearingsContinuous wound-up machinesRotational axisEngineering
The carrier (3) has a rotation lock (8) designed such that the carrier is releasably connected by rotational movement around a rotational axis (A) relative to a main body (2), where the carrier is releasably fastened at the main body. The rotation lock is designed such that rotational movement takes place against a rotation direction of a releasing roller (1). The rotation lock is formed such that the lock rotates against a rotation direction of the releasing roller. A hook-shaped connector (9) comprises an aperture (32) for insertion of a spring element (11) i.e. plate spring. An independent claim is also included for a releasing roller.
Owner:RIETER INGOLSTADT GMBH
Contact type probe of three-coordinate measuring machine
PendingCN111765840AReduce intensityHigh strengthForce measurementPoint coordinate measurementsCoordinate-measuring machineCapacitance transducer
The invention discloses a contact type probe of a three-coordinate measuring machine, and specifically relates to the field of three-coordinate measuring machines. The contact type probe comprises a probe outer shell, wherein a measuring mechanism and a measuring ball are arranged at the bottom part of the probe otuer shell; the measuring ball is positioned at the bottom part of the measuring mechanism; the measuring mechanism comprises a connecting rod, a connecting piece and a sensor target piece; the sensor target piece is movably connected between the connecting rod and the connecting piece; the connecting rod is fixedly connected with the measuring ball; a fixing piece is fixedly arranged at the end, away from the sensor target piece, of the connecting piece; the fixing piece is fixedly connected with the bottom part of the probe outer shell; and a capacitance sensor is fixedly arranged at the top part of the sensor target piece. By arranging the measuring mechanism, the measuringresolution of the three-coordinate measuring machine can reach 3 nm, the measuring range of the three-coordinate measuring machine can reach 20 mu m, the precision of the three-coordinate measuring machine is improved, and the three-coordinate measuring machine can be used for measuring workpieces which cannot be measured by a non-contact probe or cannot be measured precisely by the same and havethe features of slopes, steps, deep holes, chamfers, arcs, transparent bodies and the like.
Owner:青岛信号栅精密仪器有限公司
Bamboo elastic sheet mattress adopting left and right separate areas and realizing longitudinal grading
PendingCN110575023AOvercome limitationsHardness: SoftStuffed mattressesSpring mattressesEngineeringHardness
The invention provides a bamboo elastic sheet mattress adopting left and right separate areas and realizing longitudinal grading, and relates to the technical field of articles for daily life. According to the technical scheme, an upper paving layer, spring core layers and a lower paving layer are arranged, wherein the two spring core layers are arranged on the left and right sides of the width direction of the mattress; the spring core layers are provided with a plurality of elastic support unit structures at intervals along the length direction of the mattress; and the spring core layers arearranged between the upper paving layer and the lower paving layer. According to the technical scheme, through the left and right separate areas, the demands for the hardness and support performanceof the mattress by people having different body weights and body figures can be satisfied, meanwhile, by combining with the longitudinal grading, the demand for the hardness of the mattress by all theparts of the body is satisfied, therefore, the comfort of the mattress is improved, and thus the mattress has a very good market prospect.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Method for preparing ethylbenzene by utilizing light alkanes
InactiveCN107473925AEasy accessEfficient use ofLiquid hydrocarbon mixture recoveryHydrocarbonsAlkaneAlkyne
The invention provides a method for preparing ethylbenzene by utilizing light alkanes. The method comprises the following steps: (1) mixing a material flow containing light alkanes and steam to be fed into a cracking plant for carrying out a cracking reaction, thereby obtaining olefin-enriched cracking gas; (2) feeding the cracking gas into an alkaline wash device to remove acid gas therein so as to obtain the purified cracking gas; (3) feeding the purified cracking gas into a cracking gas separation unit, and separating ethylene-enriched gas in the cracking gas separation unit; (4) feeding the ethylene-enriched gas into an acetylene conversion reaction device to remove alkyne therein; and (5) feeding benzene and the ethylene-enriched gas in which the alkyne is removed into a hydrocarbylation reaction device for carrying out a hydrocarbylation reaction, feeding the hydrocarbylation reaction product into an ethylbenzene separation unit, and separating the ethylbenzene in the ethylbenzene separation unit. According to the method for preparing ethylbenzene by utilizing light alkanes provided by the invention, the utilization pathway of the light alkanes is effectively expanded, and an ethylbenzene production pathway independent of an ethylene plant / oil refinery is developed.
Owner:北京和利凯石化技术有限公司 +2
SBR diving material and preparation thereof
An SBR diving material and the preparation method relate to a preparation method of diving materials; the method is characterized in that based on 100kg of synthetic rubber and on the original formula, 20 to 29kg of EPDM is added, followed by the procedures of internal mixing, open mixing, cooling, and open mixing again, film setting, cold pressing and foam molding. The material has the advantages that EPDM has superior anti-ozone and anti-erosion ability, and the chemical properties of EPDM enable good curing properties of EPDM and the lowest proportion among all the rubbers; besides, EPDM can absorb a plurality of fillers and oils and has little impact on the properties. Therefore, adding EPDM into the raw material can well improve the contractility, flexibility, anti-oxidation and corrosion-resistant capabilities of SBR.
Owner:ZHIHE FUJIAN TECH
Ba1-xMgLiGaMxFBr1-ySy:Rez'Ag0.1 optical storage luminescent material and preparation method thereof
InactiveCN101186822AReduce brightness differenceImprove ease of useLuminescent compositionsPolymeric surfaceRare earth
The invention belongs to luminous materials for optical storage, in particular relating to a luminous material for optical storage of Ba1-xMgLiGaMxFBr1-ySy: Rez, Ag0.1, which is employed to detect diagnostic images of X-ray of medical treatment and is coactivated by rare earth and silver ion which are coated on the surface of polymer with industrial nondestructive inspection. The invention also provides a process for preparing the luminous material for optical storage. The novel luminous material for optical storage of the invention is matched with an adjustable broad band of which the wavelength is between 650 nanometers and 1000 nanometers, and the adjustable broad band suits all semiconductor lasers in the wave band, wherein the semiconductor lasers are taken as driving light sources matched with the adjustable broad band, thereby greatly improving utilization convenience of a x-ray image plate which is produced by employing the sample to coat and increasing elastic range of choosing the matching driving light sources. In particular, the luminous property of the invention is further promoted by coating the surface via the polymer.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY
Spring structure having multiple coil-shaped unit springs and method for manufacturing same
InactiveCN107850161AOrderly rowsImprove simplicityVibration dampersSprings/dampers design characteristicsEngineeringMechanical engineering
Owner:金炯佑 +1
Automatic sizing roiling-up device
InactiveCN105151863AMeet the needs of large cloth rolls without breakpointsEasy to manageWebs handlingDrive motorSizing
The invention relates to an automatic sizing roiling-up device, which comprises a support, a pair of air cylinders, a drive motor, a pair of support drums, a limit rod, two cloth guide rollers and a pair of support rods, wherein the support comprises two trapezoidal side surface supports and a long rod, the two trapezoidal side surface supports are connected through the long rod, the air cylinders are symmetrically arranged on the two sides of the two trapezoidal side surface supports along a center line of the support, the two cloth guide rollers are arranged on the sides of the support arranged on the same side of the air cylinders from bottom to top, the support rollers are parallel to the long rod of the support, and are arranged on a fixed frame which is arranged on upper transverse beams of the two trapezoidal side surface supports, one side of the fixed frame outwardly extends above the air cylinders, the other sides of the fixed frame are connected with the two trapezoidal side surface supports through hinges, the drive motor is arranged on the side surface of the support and is connected with the support drums, two support rods are respectively arranged in the middle of the two upper transverse beams of the two trapezoidal side surface supports, and limit rods are arranged on the upper ends of the support rods. The automatic sizing roiling-up device meets the demands of clients for large non-stop point cloth rolls, and meets the practical production requirements of time saving, easy management, easy operation and high efficiency.
Owner:PHIFER INC
Method for preparing sodium sulfate and magnesium nitride compound fertilizer by processing astrakhanite
InactiveCN102583451AReduce separation processing costsOvercome difficultyAlkali metal sulfites/sulfatesFertilizer mixturesSodium sulfateCarbonate
The invention relates to a process for preparing a sodium sulfate and magnesium nitride compound fertilizer by processing astrakhanite, which comprises the following steps of: mixing the astrakhanite, ammonium sulfate with water to form a mixed system; enabling the composition of the mixed system to be on the connecting line of an astrakhanite composition point and an ammonium sulfate compositionpoint of an Na2SO4-MgSO4-(NH4)2SO4-H2O system phase diagram at the temperature of 25 DEG C; then, reacting at the constant temperature of 25 DEG C, and then, separating the magnesium nitride compoundfertilizer by crystallization to obtain a mother solution B; then, adding Na2CO3 to the mother solution B; reacting at the room temperature to separate magnesium carbonate crystal by crystallization to obtain a mother solution C; performing cooling crystallization on the mother solution C at the temperature of 0 DEG C to separate Na2SO4.10H2O crystal by crystallization to obtain a mother solutionD; adding the astrakhanite, the ammonium sulfate and the water to the mother solution D; and reacting at the temperature of 25 DEG C to separate the magnesium nitride compound fertilizer by crystallization. The compositions and the mass percent compositions of the mother solutions meet the composition range of the mother solution B, and the mother solutions can be circularly produced. The processfor preparing the sodium sulfate and magnesium nitride compound fertilizer by processing the astrakhanite has the advantages that no waste liquor or waste residue or waste gas is discharged, generated little magnesium carbonate is also an important chemical raw material, and no environmental pollution is generated.
Owner:HEBEI UNIV OF TECH
Transfer reaction device and method for high-viscosity material
ActiveCN110882671APromote surface renewalShort stayChemical industryEvaporationEngineeringCentrifugal force
Relating to the field of material transfer equipment and reactors, the invention discloses a transfer and reaction device of a high-viscosity material. The transfer and reaction device comprises a jacket shell, a hollow shaft assembly and a dispersion assembly. The dispersion assembly rotates around the hollow shaft assembly in the shell, and is composed of a plurality of heat exchange pipe networks. The invention also provides a mass transfer method of a high-viscosity material. The heat exchange pipe networks with a high specific surface area rotate in an accommodating chamber holding the high-viscosity material, a heat conduction medium in the heat exchange pipe networks are distributed in the heat exchange pipe networks in an accelerated mode under the action of a centrifugal force, and ducts of the heat exchange pipe networks are communicated with an outer cooling system; and the high-viscosity material is thrown from the inner side of the dispersion assembly to the outer side through the rotary heat exchange pipe networks under the action of centrifugal force. The device and method provided by the invention have the beneficial effects of: increasing the effective heat transfer area, shortening the material retention time, broadening the elastic range of treated materials, treating super-viscous materials, reducing material coking, increasing the productivity, and increasing the equipment productivity.
Owner:FUZHOU UNIV
Microbiological specimen preservation and transportation device
InactiveCN109823666BQuick collectionImprove survival rateLiving organism packagingDomestic cooling apparatusBiotechnologyMicroorganism
The invention discloses a microbial specimen preservation and conveying device which comprises a double-layer preservation and conveying frame, a non-corrosion-resistant microbial specimen conveying and preservation container, a direct culture medium cultured microbial specimen conveying and preservation container, an anaerobic conveying culture medium microbial specimen conveying and preservationcontainer and an aerobic conveying culture medium microbial specimen preservation container; the transverse center and the longitudinal center of the lower-layer preservation and conveying frame of the double-layer preservation and conveying frame are provided with anaerobic conveying culture medium microbial specimen conveying and preservation container channels respectively; a sliding rail is arranged in each anaerobic conveying culture medium microbial specimen conveying and preservation container channel; and the ends of the sliding rails are provided with switches respectively. By adopting the microbial specimen preservation and conveying device, microbial specimen can be placed in specimen preservation containers with different storage conditions in a classifying manner, so that medical workers can quickly collect and convey specimens, the survival rate of the specimens is high, and pain of the patients caused by sampling again is relieved.
Owner:漯河市第一人民医院
A kind of wood spring and preparation method thereof
ActiveCN112178096BWith elastic functionAdjustable elasticSpringsWood working apparatusFiberLithium chloride
Owner:NANJING UNIV
Combined fluidized bed slag cooling apparatus
ActiveCN101476721BImprove mobilityWell mixedFluidized bed combustionApparatus for fluidised bed combustionSlagFluidized bed
Owner:EASTERN BOILER CONTROL CO LTD
Method for preparing sodium sulfate and magnesium nitride compound fertilizer by processing astrakhanite
InactiveCN102583451BReduce separation processing costsMild reaction conditionsAlkali metal sulfites/sulfatesFertilizer mixturesSodium sulfateCarbonate
Owner:HEBEI UNIV OF TECH
Wood spring and preparation method thereof
ActiveCN112178096AWith elastic functionAdjustable elasticSpringsWood working apparatusLithium chlorideSolid structure
The invention discloses a wood spring and a preparation method thereof. The spring is formed by bending wood, the wood is of a compact structure formed by tightly arranging wood cell units, and the wood cell units are of a solid structure composed of nano cellulose fibers. The preparation method comprises the steps that firstly, wood with part of lignin removed is obtained through a lignin removing technology, then the wood is treated in an N, N-dimethylacetamide / lithium chloride solution, and the wood is subjected to rotating, twisting, shaping and drying to obtain the wood spring. The wood spring is prepared for the first time, and has the characteristics of adjustable elasticity range, excellent environmental friendliness, simple whole preparation process, low energy consumption, suitability for various wood varieties and the like, thereby having a wide application range.
Owner:NANJING UNIV
Accelerometer
ActiveCN102650649BImprove reliabilityLow priceAcceleration measurement using interia forcesAccelerometerMagnetic poles
Owner:北京中联博韬科技咨询有限公司
Oil supply for linear compressors
ActiveCN103147959BSimple structureEasy to manufacturePositive displacement pump componentsPositive-displacement liquid enginesInlet channelLinear compressor
The invention belongs to the technical field of a linear compressor, in particular to a device for supplying oil for a friction part between a cylinder and a piston in the linear compressor. The oil supply device is arranged at the bottom of a stand of the linear compressor in a closed container; the stand is internally provided with an oil discharge channel; an oil inlet hole of the oil discharge channel is sequentially provided with a baffle and an oil cylinder in a horizontal way; a first spring and a second spring which are deformed by pre-pressing are respectively arranged at the two ends of the piston arranged in the oil cylinder; the bottom of the baffle is provided with an oil inlet channel connected with the oil cylinder; an oil absorption valve is arranged at the part where the oil inlet channel is connected with the oil cylinder; and an oil drain valve is arranged at the part where an oil channel of the baffle is connected with the oil discharge channel. The oil absorption valve is arranged at the wider part where the oil inlet channel is connected with the oil cylinder, and the oil drain valve is arranged at the wider part where the oil channel of the baffle is connected with the oil discharge channel, so that the oil absorption valve and the oil drain valve which are installed in this way are simple in structure and easy to manufacture and assemble, and the processing technology of the oil absorption valve and the oil drain valve can be simplified.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Elastic measuring head in three-dimensional micro-nano contact scanning probe
Owner:HEFEI UNIV OF TECH
Three-dimensional micro nanometer contact scanning probe
Owner:HEFEI UNIV OF TECH
Ignition device for liquid ramjet
InactiveCN105927391BIncrease ignition energyIncrease temperatureGas turbine plantsJet propulsion plantsRamjetCombustion chamber
The invention discloses an ignition device for a liquid ramjet engine. The ignition device comprises an igniter, an oil supply pipe, a gas supply pipe, a front shell, a rear shell, an expanding pipe and a flame stabilizer. The front shell and the rear shell are fixedly connected, and the igniter is arranged at the joint of the front shell and the rear shell and can be conveniently mounted. The oil supply pipe penetrates through the outer wall of the front shell, stretches into the front shell and is fixedly connected with the igniter. The gas supply pipe penetrates through the outer wall of the front shell, stretches into the front shell and is fixedly connected with the igniter. The expanding pipe is fixedly connected with the igniter. The flame stabilizer is fixedly connected with the expanding pipe. According to the ignition device, it can be guaranteed that a pioneer torch which is not prone to extinguishing is formed in the ramjet engine under the high-speed air flow condition, and the torch is used for igniting oil-gas mixtures in a combustion chamber so that the engine can normally work.
Owner:NANJING UNIV OF SCI & TECH
A beam reinforcement method
ActiveCN105525763BImprove ductilityPreserve original painted surfacesBuilding repairsMethod selectionConcrete beams
The invention provides a beam strengthening method and belongs to the technical field of building restoration. The beam strengthening method comprises the steps of selecting a core material of a beam which is strengthened by a core embedment method, strengthening the core material, and strengthening the beam by using the core material through the core embedment method after strengthening the core material. According to the beam strengthening method, the core material adopted for the core embedment method is further strengthened, the probability that the bearing capacity of the core material gets closer to the original bearing capacity of the beam is increased, the range of elasticity of the material is widened, high-strength materials are utilized more fully, and the material characteristics are performed; the ultimate bearing capacity is improved, and the structural distortion is reduced; occurrence of cracks of timber in a tensioned region is delayed, and the ductility is improved; the rigidity of the steel-concrete beam is enhanced. Therefore, according to the beam strengthening method, on the premise that external decorations of structural parts are not destroyed and affected, and the mechanical performance index of the core material can be resorted to the mechanical performance index of the original beam.
Owner:TONGJI UNIV
Threaded washer and installation method thereof
The invention discloses a threaded washer and an installation method thereof. The threaded washer comprises a threaded washer body, a connected part and a bolt, and one end of the bolt is in threadedconnection with the threaded washer body; the other end of the bolt is in threaded connection with the connected part, and the threaded washer is composed of a spiral body with metal plate threads, asupport body with metal plate threads, an arc-shaped body, a threaded process gap and a disc flange; one side of the spiral body with the metal plate threads is provided with the support body with themetal plate threads, and one side of the support body with the metal plate threads provided with the arc-shaped body; and the outer side of the arc-shaped body is connected with the disc flange, andthe middle diagonal of the threaded washer body is provided with the threaded process gap. The pre-tightening force is small, and the elastic range is wide; a part of dynamic load of fasteners can beabsorbed while the purposes of effective fastening and anti-looseness are achieved, so that the fasteners including the bolt are protected from being damaged; and the weight is light.
Owner:深圳市易和螺母有限公司
Energy-absorbing steering column
The invention relates to an energy-absorbing steering column, which comprises a steering shaft, an input shaft and an energy-absorbing device; the steering shaft is sleeved with the input shaft, and the steering shaft is cooperated with the input shaft only through axial movement; wherein, a ring cavity is arranged at the sleeve position of the steering shaft and the input shaft; the ring cavity comprises an inner-surface ring concave part at the steering shaft sleeve part and an outer-surface ring concave part at the input shaft sleeve part; the energy-absorbing device is a spring ring; the spring ring is sleeved on the input shaft in the ring cavity. The energy-absorbing steering column has the advantages of obvious impact and energy-absorbing effects, simple structure, easy assembly and convenient maintenance.
Owner:BYD CO LTD
TaVIn1-xMxSBrF1-yIy:Rez'Ag0.1 optical storage luminescent material and preparation method thereof
InactiveCN101186823AReduce brightness differenceImprove ease of useLuminescent compositionsPolymeric surfaceRare earth
The invention belongs to luminous materials for optical storage, in particular relating to a luminous material for optical storage of TaVIn1-xMxSBrF1-yIy: Rez, Au0.1, which is employed to detect diagnostic images of X-ray of medical treatment and is coactivated by rare earth and cadmium ion which are coated on the surface of polymer with industrial nondestructive inspection. The invention also provides a process for preparing the luminous material for optical storage. The novel luminous material for optical storage of the invention is matched with an adjustable broad band of which the wavelength is between 650 nanometers and 1000 nanometers, and the adjustable broad band suits all semiconductor lasers in the wave band, wherein the semiconductor lasers are taken as driving light sources matched with the adjustable broad band, thereby greatly improving utilization convenience of a x-ray image plate which is produced by employing the sample to coat and increasing elastic range of choosing the matching driving light sources. In particular, the luminous property of the invention is further promoted by coating the surface via the polymer.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY
Refrigerator
PendingCN114076432ASimple structureReduce contact areaLighting and heating apparatusDomestic refrigeratorsIceboxSilica gel
The invention relates to the technical field of refrigerator preservation, and discloses a refrigerator which comprises a low-temperature storage chamber, a door body for opening or closing the storage chamber, a vacuum pump, a vacuum pipe, a vacuum box and a cushioning sleeve; the door body is internally provided with a mounting cavity for placing elements of all parts, and the vacuum pump is arranged in the mounting cavity; the vacuum pump is communicated with the vacuum box through the vacuum pipe; and the cushioning sleeve is arranged on the vacuum pump in a sleeving mode, and the cushioning sleeve is made of elastic materials and is of a corrugated barrel-shaped structure. The cushioning sleeve is arranged outside the vacuum pump, and vibration in the operation process of the vacuum pump is reduced through the cushioning performance of the elastic materials; because the space in the mounting cavity of the door body is relatively narrow, and a conventional cushioning sleeve uses a quite thick cushioning layer and cannot meet the use condition of the cushioning sleeve, so that the shape of a silicone rubber material is reasonably designed, the cushioning sleeve is arranged to be in an externally convex and internally concave corrugated shape, and vibration can be restrained to the maximum extent in a minimum space by utilizing the structural property.
Owner:HISENSE(SHANDONG)REFRIGERATOR CO LTD
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