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32 results about "Glide plane" patented technology
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In geometry and crystallography, a glide plane (or transflection) is a symmetry operation describing how a reflection in a plane, followed by a translation parallel with that plane, may leave the crystal unchanged.
System and method for real time remote wireless monitoring slope landslide
ActiveCN101118687AAvoid harmGrasp the stable state accurately and timelyTransmission systemsLandslideInformation gain
The present invention relates to a real-time long-range wireless monitoring system and its method for side slope and coast, and belongs to the field of preventing method of long-range real-time monitoring for side slope and coast disaster. The traditional long-range monitoring method or apparatus for coast disaster mainly refers that the information gained from monitoring and analyzing the surface displacement of side slope and the geology condition is transmitted or monitored. And the shortage thereof is that the transmitting and monitoring cannot be achieved before the displacement of a landside mass. The present invention adopts that a tip of an anchorage cable which is positioned above a glide plane is provided with a sensor, the monoblock prestressing of the anchorage cable on the part of a sliding shoe is transmitted, the signal is continuously collected, magnified, emitted, and received, and the computer and the software are used to deal with the received information according to the relation between the sliding force monitoring data of the side slope and the prestressing monitoring data of the anchorage cable, thus gaining the displaying method of the relation between the sliding force and the time, monitoring the condition of a slide mass in a real-time way, and accurately receiving the information of internal condition thereof in time, therefore the coast danger can be detected. At the same time, the present invention can also provides the information of ensured addition and maintenance of the anchorage cable, thereby preventing the waste and saving the cost.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Operating mechanism of modularized breaker
ActiveCN102426999AImprove reliabilityExtend your lifeProtective switch operating/release mechanismsContact pressureFree rotation
The invention provides an operating mechanism of a modularized breaker. A lever and a lock catch are respectively pivotedly installed at a contact support; there are two states between a first hasp surface on the lever and a second hasp surface on the lock catch, wherein the two states include a contact locking state and a separating unlocking state; on the condition of the contact locking state, the lever, the lock catch and the contact support can not make relative free motions; and on the condition of the separating unlocking state, the lever and the lock catch can make free rotations relatively to the contact support. A moving contact is pivotedly installed at the contact support through a first connection structure and a pressure spring; one end of the spring is connected with the contact support and the other end of the spring is connected with the moving contact; and the spring is used for energy storage and providing contact pressures for the moving contact and a static contact, wherein the moving contact and the static contact are in a closed state. The lock catch is provided with a restriction member that is installed and connected through a second connection structure; an elastic antenna on the restriction member and a glide plane on the housing are contacted and are in a sliding fit. According to the invention, the operating mechanism has advantages of improved reliability and service life, small volume, few parts, and low cost as well as is easy to be produced automatically in a large scale.
Owner:ZHEJIANG CHINT ELECTRIC CO LTD
Acoustic emission monitoring method used for recognizing rock slope glide plane
ActiveCN105971027ARealize automatic recordingReduce workloadFoundation testingEarth surfaceWaveguide
The invention discloses an acoustic emission monitoring method used for recognizing a rock slope glide plane. A waveguide rod array is arranged inside a rock slope; one waveguide rod embedded in a monitoring hole is filled with 0.1 m thick of cement mortar every other 3 m length of the waveguide rod; an acoustic emission sensor is installed at the end, on the ground, of each waveguide rod; acoustic emission signals generated from rock internal fractures are sent to cement mortar filling parts and then to the waveguide rods; the sensors at the ends of the waveguide rods receive the signals, and finally transmit the signals to an indoor wireless receiving base station through a wireless transmission device; positions, where the signals come from, of the waveguide rods can be fast determined through data analysis and marked with circles; and the trend of the glide plane can be inferred by connecting points with the densest circles on the waveguide rods. According to the acoustic emission monitoring method used for recognizing the rock slope glide plane, a large amount of workload of conventional slope monitoring can be omitted, all-weather automatic recording of the slope can be achieved and are not affected by the climate and weather, and reliable quantitative evaluation can be made on the glide trend of the slope.
Owner:JIANGXI UNIV OF SCI & TECH +2
Method for realizing high resolution degree three-dimensional imaging by projector producing translation surface fringe
InactiveCN1786810AEasy to identifyImprove the ability to distinguishTelevision system detailsColor television detailsOptical triangulation3d image
The invention relates to a method to realize high analysis 3D imaging from projector generating gliding plane array stripe. By using the scanning method of gliding the plane array stripe, two-value structure light stripe array would be generated, the plane array stripe would step move along the vertical scanning direction according to step distance b and frequency f that could be captured by video camera and image collecting card. Using the method of optical triangular surveying, the 3D data would be gained and accumulated to realize 3D imaging. The invention could be used to make high analysis 3D imaging sensor.
Owner:SHANGHAI JIAO TONG UNIV
Real time monitoring data-based mine tailing dam instability risk evaluating method
ActiveCN105913184AInstability risk assessment method scienceThe instability risk assessment method is intuitiveResourcesTailings damInstability
The invention relates to a real time monitoring data-based mine tailing dam instability risk evaluating method and belongs to the technical field of special-purpose digital computation or data processing methods. The method helps overcome defects of technologies of prior art that cannot be applied to determining magnitude of dam slope instability risk, risk sources and the like. According to the real time monitoring data-based mine tailing dam instability risk evaluating method, based on a condition that monitoring data is obtained and a representative instability mode is determined; failure probability and slide area of all instability modes are used for determining instability risk thereof, mine tailing dam instability risk can therefore be quantified, mine tailing dam instability risk can be evaluated mostly based on the monitoring data, mode grouping is realized and the representative instability mode is selected according to correlation of anti-sliding stability safety factors of shallow-layer and deep-layer instability modes, and frequency and a glide plane of the representative instability mode which is regarded as an instability mode with maximum danger are used for evaluating risk in a quantified manner. The real time monitoring data-based mine tailing dam instability risk evaluating method is characterized by scientific property, visual property, reasonability and feasibility; scientific basis is provided for mine tailing dam operation safety management and risk control.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Accurate value obtaining method for shearing strength of engineering rock mass joint
InactiveCN106951595AEasy to operateLow costGeometric CADSpecial data processing applicationsOutcropStructure analysis
The invention discloses an accurate value obtaining method for the shearing strength of an engineering rock mass joint. The method comprises the following steps that: the engineering rock mass is subjected to engineering geologic zoning to carry out rock mass structure analysis, a potential glide plane which affects the stability of the engineering rock mass is determined, and a potential glide direction is determined on the potential glide plane; a joint outcrop corresponding to the potential glide plane is searched as a JRC (Joint Roughness Coefficient) measurement joint; according to the potential glide plane, survey segments Li are evenly arranged, all survey segments Li are subjected to the directional statistical measurement of the JRC, measurement results are subjected to statistics to obtain a JRC size effect fractal dimension D; and according to the rock mass structure analysis, the joint length Ln of the joint corresponding to the potential glide plane in the glide direction is determined, the JRCn of the sampled LN is calculated, and a JRC-JCS model is model is used for carrying out accurate value obtaining on the shearing strength of an engineering rock mass joint. The method has the advantages of being convenient in operation, low in cost, good in use effects and convenient in realizing the accurate value obtaining method for the shearing strength of the engineering rock mass joint.
Owner:SHAOXING UNIVERSITY +1
Glide plane sensing anchor rod and monitoring method thereof
InactiveCN107907065AThe principle is simple and reliableNovel and ingenious monitoring methodUsing optical meansEpoxyFace detection
The invention discloses a glide plane sensing anchor rod and monitoring method thereof. The anchor rod includes a fiber enhanced composite material anchor rod body, a long-period optical fiber gratingsensor string, an optical fiber grating multi-point temperature compensation auxiliary sensor, an optical fiber interface protection sleeve, epoxy resin and armored optical fiber. According to the invention, by arranging the LPFG on a fracture surface in a certain angle with a rock face and perpendicular to the horizontal face, stress, tension and damage of the anchor rod in different depths of arock layer can be tested. At the same time, bending curve, bending direction and bending deformation of the rod body can be obtained by utilizing the banding sensing characteristic of the LPFG, richer information can be provided for slope monitoring , slope stability analysis can be facilitated, continuous data collection can be achieved in slope slide face detection and continuous dynamic monitoring is realized.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1
Method for predicting stability of three-dimensional asymmetric slope in earthquake load effect
InactiveCN108387706AImprove calculation accuracyThe result is scientific and reasonableEarth material testingPredictive methodsStability coefficient
The invention discloses a method for predicting the stability of a three-dimensional asymmetric slope in an earthquake load effect. The method comprises: step 1, selecting a to-be-predicted slope, determining the three-dimensional geometrical dimension of the slope and the geometrical shape of a three-dimensional glide plane, and expressing the geometrical shape of a surface of the slope and the shape of the glide plane via an equation; step 2, dispersing a sliding object into soil strip bars; step 3, establishing an equation set for predicting the stability of a three-dimensional asymmetric slope in an earthquake load effect, and solving the equation set to obtain a safety factor Fs and a glide direction alpha of the slope; and step 4, judging the stability of the three-dimensional asymmetric slope according to the critical value of a stability coefficient. Compared with a method in the prior art, the method takes the effect of earthquake force in a vertical direction (z) and horizontal directions (x and y) on the stability of the slope into consideration, and takes the effect of the glide direction on the prediction of the stability of the asymmetric slope into consideration. Themethod is high in calculation precision, fast in speed and reliable in prediction results.
Owner:HOHAI UNIV
Shock-absorption support glide plane coating for construction and its preparation method
InactiveCN1769357AGood dispersionImprove stabilityConjugated diene hydrocarbon coatingsEpoxy resin coatingsEpoxyAcrylonitrile
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Foundation pit supporting structure and construction method thereof
InactiveCN106884432AImprove stabilityTo achieve the purpose of overburdenExcavationsReinforced concreteEngineering
The invention relates to a foundation pit support structure and a construction method of the foundation pit support structure, belonging to the technical field of foundation pit side slope support in geotechnical engineering. The foundation pit support structure in the present invention comprises a main beam, a secondary beam, a retaining plate and an anchor beam, the main beam is arranged at intervals in the longitudinal direction on the side wall surface of the foundation pit, and the secondary beams are arranged at intervals in the lateral direction on the side wall surface of the foundation pit, and the main beam and the secondary beam are mutually arranged. The frame beam formed after the connection is used for laying the retaining plate, one end of the anchor beam is connected to the frame beam, and the other end extends into the side wall of the foundation pit for anchoring, and one end of the anchoring is preferably provided with an enlarged end. The supporting structure of the foundation pit is a reinforced concrete structure as a whole. The anchor beam is preferably connected to the main beam; the junction of the anchor beam and the main beam is also provided with curved steel bars in the reinforced concrete structure. The anchor beam is preferably arranged obliquely below the sliding surface. The invention has the advantages of simple structure, high strength, good rigidity, small construction vibration and low cost, and is especially suitable for the rock-soil environment where the upper part is weak and the lower part is hard.
Owner:CHINA 19TH METALLURGICAL CORP +1
ENHANCED PLANARITY IN GaN EDGE EMITTING LASERS
InactiveUS20110292958A1Improve radiation efficiencyReduce gainLaser detailsLaser optical resonator constructionLayer thicknessCrystal growth
A GaN edge emitting laser is provided comprising a semi-polar GaN substrate, an active region, an N-side waveguiding layer, a P-side waveguiding layer, an N-type cladding layer, and a P-type cladding layer. The GaN substrate defines a 20 21 crystal growth plane and a glide plane. The N-side and P-side waveguiding layers comprise a GaInN / GaN or GaInN / GaInN superlattice (SL) waveguiding layers. The superlattice layers of the N-side and P-side SL waveguiding layers define respective layer thicknesses that are optimized for waveguide planarity, the layer thicknesses being between approximately 1 nm and approximately 5 nm. In accordance with another embodiment of the present disclosure, planarization can be enhanced by ensuring that the N-side and P-side GaN-based waveguiding layers are grown at a growth rate that exceeds approximately 0.09 nm / s, regardless of whether the N-side and P-side GaN-based waveguiding layers are provided as a GaInN / GaN or GaInN / GaInN SL or as bulk waveguiding layers. In still further embodiments, planarization can be enhanced by selecting optimal SL layer thicknesses and growth rates. Additional embodiments are disclosed and claimed.
Owner:THORLABS QUANTUM ELECTRONICS
Crystal dissociation and slippage energy barrier automatic calculation method based on lattice redirection
PendingCN113851199AEnabling High-Throughput ComputingMeet dissociationComputational materials scienceInstrumentsLattice basisCrystal structure
The invention discloses a crystal dissociation and slippage energy barrier automatic calculation method based on lattice redirection, and belongs to the field of material calculation. The method specifically comprises the following steps: firstly, aiming at a certain crystal, inputting a structure file of the crystal, and reading crystallographic structure information; determining the slip direction of the dissociation plane or the slip plane of the crystal structure according to the read crystallographic structure information; further automatically redirecting the lattice basis vector; then, applying dissociation strain or slippage strain to the redirected crystal structure to generate a strain structure file; conducting structural relaxation and static calculation on the strain structure file in parallel through a first principle method to obtain a dissociation energy [chi](d)-strain d curve or a stacking fault energy [gamma](u)-strain u curve; and finally, fitting the dissociation energy [chi](d)-strain d curve and the fault energy [gamma](u)-strain u curve to obtain dissociation and slippage energy barriers and corresponding critical stress. According to the method, high-throughput calculation of the mechanical property of the material can be achieved, and the method can be used for rapidly screening the high-strength / high-hardness three-dimensional material.
Owner:BEIHANG UNIV
Operating mechanism of modularized breaker
ActiveCN102426999BImprove reliabilityExtend your lifeProtective switch operating/release mechanismsFree rotationContact pressure
The invention provides an operating mechanism of a modularized breaker. A lever and a lock catch are respectively pivotedly installed at a contact support; there are two states between a first hasp surface on the lever and a second hasp surface on the lock catch, wherein the two states include a contact locking state and a separating unlocking state; on the condition of the contact locking state, the lever, the lock catch and the contact support can not make relative free motions; and on the condition of the separating unlocking state, the lever and the lock catch can make free rotations relatively to the contact support. A moving contact is pivotedly installed at the contact support through a first connection structure and a pressure spring; one end of the spring is connected with the contact support and the other end of the spring is connected with the moving contact; and the spring is used for energy storage and providing contact pressures for the moving contact and a static contact, wherein the moving contact and the static contact are in a closed state. The lock catch is provided with a restriction member that is installed and connected through a second connection structure; an elastic antenna on the restriction member and a glide plane on the housing are contacted and are in a sliding fit. According to the invention, the operating mechanism has advantages of improved reliability and service life, small volume, few parts, and low cost as well as is easy to be produced automatically in a large scale.
Owner:ZHEJIANG CHINT ELECTRIC CO LTD
Rotary motor and method for manufacturing electric brush thereof
ActiveCN101378211ASolution to short lifeReduce operation processing timeContact member manufacturingRotary current collectorElectric machineGlide plane
The present invention discloses a rotating electric machine and manufacturing method of the electrical brush of the rotating electric machine, which provides a low-cost electrical brush capable of compromising the long life of the electrical brush and shorting the running handling time or having no need of running and processing the two aspects. The rotating electric machine has a glide plane (14) formed on one end of the brush (4) along the concave curved face of the external circumstance surface of a commutator (11); and a removing section(15), formed in a concave curved face in the axial direction, gradually left from the external circumstance surface of the commutator (11) to the other axial direction end of the brush (4) from the glide plane (14), and simultaneously formed a smooth surface without concave-convex in then radial direction at the rotation direction side of the commutator (11). In addition, the method includes a process of continuously performing cutting process to the rotation direction side of the commutator (11) to form a removing section(15).
Owner:MITSUBISHI ELECTRIC CORP
Efficient spin-photon interface using glide-plane-symmetric waveguide
ActiveUS20180210149A1Efficient couplingImprove efficiencySolid-state devicesNanoopticsWaveguideNanostructure
An optical device comprising a planar waveguide and a quantum emitter is presented. The planar waveguide comprises a longitudinal extending guiding region with a first side and a second side. A first nanostructure is arranged on the first side of the guiding region, and a second nanostructure arranged on the second side of the guiding region. The planar waveguide includes a first longitudinal region where the first nanostructure and the second structure are arranged substantially glide-plane symmetric about the guiding region of the planar waveguide, and the quantum emitter is coupled to the first longitudinal region of the planar waveguide.
Owner:UNIVERSITY OF COPENHAGEN
Ratchet screw handle torsion structure
The present invention relates to a ratchet screwdriver handle turning structure. It includes a first handle, a second handle and a positioning device. One end of the described first handle is formed into an end face, on the described end face a shaft portion is set, the described shaft portion has two containing grooves; one end of the described second handle is formed into a glide plane with pivot connection portion, the described pivot connection portion is pivoted on the described shaft portion, and the described second handle can be turned relatively to first handle between first position and second position, the described pivot connection portion has a through hole extended from the second handle to exterior, and said through hole has a positioning groove correspondent to a containing groove; the described positioning device possesses two positioning components and a control component, the described two positioning components are respectively contained in said two containing grooves, and the described two positioning components are respectively pushed by an elastic body and bias-fed into the positioning groove of said through hole, the described control component is mounted in the described through hole and is used for pushing the positioning component aligned with positioning groove and making the positioning component be fed into the containing groove.
Owner:胡厚飞
A slow-light generating optical device and a method of producing slow light with low losses
InactiveUS20180217331A1Provide usageLow or no backscatteringOptical light guidesGlide planeBrillouin zone
A slow-light generating optical device (1) is disclosed. The optical device comprises a planar waveguide (2), and the planar waveguide comprises: a longitudinal extending guiding region (4) with a first side (6) and a second side (8), a first nanostructure (7) arranged on the first side (6) of the guiding region (4), and a second nanostructure (9) arranged on the second side (7) of the guiding region (4). The planar waveguide (2) includes a first longitudinal region where the first nanostructure (7) and the second structure (9) are arranged substantially glide-plane symmetric about the guiding region (4) of the planar waveguide, and the first and the second nanostructures (7, 9) are designed so that the planar waveguide has a band structure and is adapted to guide a forward propagating mode and a backward propagating mode possessing energy bands, which individually are non-degenerate and mutually degenerate, and which intersect each other and form a Dirac point at a Brillouin zone edge.
Owner:UNIVERSITY OF COPENHAGEN
Measurement method of planeness based on image processing and pattern recognizing
The invention discloses a flatness detection method based on image processing and image recognition. Two inline lasers are respectively installed above the north-south direction and east-west direction of the measured object, so that they irradiate the measured plane according to a certain angle. up, forming a cross. A camera is installed in the vertical direction of the plane, and the camera is facing the detection plane. The relative position of the camera and the laser remains constant. The measured object runs at a certain speed, making the light cross slide over the measured plane. A robust illumination curve is obtained through image refinement, light point correlation, and local curve fitting. Then through the analysis of the optical path, the relationship between the flatness and the image illumination curve is obtained, and the plane convex / concave amount is calculated by the distance and direction of the image illumination curve deviating from the reference straight line. Finally, the flatness detection linear array is formed from multiple images, and the flatness in different directions is calculated by curve fitting.
Owner:XI AN JIAOTONG UNIV
Image capturing device having improved bridge structure
InactiveUS8576464B2Improved bridge structureExtend your lifePictoral communicationEngineeringGlide plane
A detecting device having image capturing capability in a bridge structure is provided, which includes a housing, a bridge structure, a scanning module, and a slider. The housing has a plurality of inner walls. The bridge structure includes at least one roller, an ADF transparent layer, and a flatbed transparent layer. The roller is arranged on one of the inner walls between the ADF transparent layer, and the flatbed transparent layer. The scanning module is movably arranged below the ADF transparent layer, and the flatbed transparent layer. The scanning module and the roller are spaced apart from each other. The slider is arranged on the scanning module, where the slider has a glide plane arranged proximate to the ADF transparent layer, and the flatbed transparent layer. The roller rolls on the glide plane. Thus, the lifespan of the device may be extended through reduction of friction during scanning operation.
Owner:LITE ON ELECTRONICS (GUANGZHOU) LTD +1
Tailings Dam Instability Risk Assessment Method Based on Real-time Monitoring Data
ActiveCN105913184BInstability risk assessment method scienceThe instability risk assessment method is intuitiveResourcesTailings damInstability
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Field rapid identification method of potential slip surface of rock mass in mine slope
ActiveCN107290502BThe principle is simpleEasy to operateData processing applicationsEarth material testingSlope angleFault occurrence
Owner:SHAOXING UNIVERSITY
Vertical-surface wheel chute chromium-alloy periphery-adjustable engineering rubber clamp
InactiveCN105954093AEven by forceFixed accidental breakage rate reductionStrength propertiesMechanical engineeringChromium Alloys
The invention relates to a clamp for glass testing, especially to a vertical-surface wheel chute chromium-alloy periphery-adjustable engineering rubber clamp. The clamp comprises four glide clamps with a same structural size, i.e., a first glide clamp, a second glide clamp, a third glide clamp and a fourth glide clamp, and each glide clamp is composed of a clamp part and a glide part. According to an improved embodiment, the glide part of each glide clamp comprises a lower glide plane, a vertical plate inner side surface and a rolling and gliding wheel; an outwardly protruding regulation block is provided with a regulation screw; the outer vertical surface of each glide clamp is provided with a wheel chute; a centrosymmetric transition groove is arranged between the wheel chute and the outer vertical surface of each glide clamp; the bottom of the wheel chute is a bottom chute plane; an I-shaped groove protruding rail is arranged in the middle of the wheel chute; the vertical plate inner side surface is provided with a stepped pivot pin; the stepped pivot pin is provided with a wheel hole cooperation segment; a pivot pin step is arranged between the wheel hole cooperation segment and the stepped pivot pin; the outer end of the wheel hole cooperation segment is the outer end of the pivot pin; the center of the outer end of the pivot pin is provided with a pivot pin screw; and an inner wheel hole is in rotary fitting with the outer circle of the wheel hole cooperation segment, so accurate fine adjustment is realized.
Owner:张志雄
Efficient spin-photon interface using glide-plane-symmetric waveguide
ActiveUS10261250B2Improve efficiencyEffective interactionSolid-state devicesNanoopticsWaveguideNanostructure
An optical device comprising a planar waveguide and a quantum emitter is presented. The planar waveguide comprises a longitudinal extending guiding region with a first side and a second side. A first nanostructure is arranged on the first side of the guiding region, and a second nanostructure is arranged on the second side of the guiding region. The planar waveguide includes a first longitudinal region where the first nanostructure and the second nanostructure are arranged substantially glide-plane symmetric about the guiding region of the planar waveguide, and the quantum emitter is coupled to the first longitudinal region of the planar waveguide.
Owner:UNIVERSITY OF COPENHAGEN
Process for surface treatment of internal wall of open-end spinning frame rotor
InactiveCN102168274BEasy to operateLow costFurnace typesLiquid/solution decomposition chemical coatingEngineeringHardness
Owner:ZHEJIANG SCI-TECH UNIV
Micro-projection device and light source module thereof
The invention provides a micro-projection device and a light source module thereof. The micro-projection device comprises a base and a plurality of light source modules arranged on the base, wherein a guide plane is arranged inside the base; the plurality of equal-light-source modules are arranged on the base, and are provided with a positioning seat; a glide plane is arranged at the bottom of the positioning seat, and is of an arc structure so as to enable the glide plane to slide on the guide plane; and in virtue of the positioning seat, the equal-light-source modules can slide on the guide plane of the base to change light projection positions of the equal-light-source modules, and with the arc structure of the glide plane, light projection angles of the equal-light-source modules can be adjusted, so that the problem of uneven light distribution caused by the fact that the light generated by the micro-projection device projects on a screen is solved.
Owner:MEGAFORCE
An Acoustic Emission Monitoring Method for Identifying the Slip Surface of Rock Slope
ActiveCN105971027BRealize automatic recordingReduce workloadFoundation testingEarth surfaceCement mortar
The invention discloses an acoustic emission monitoring method used for recognizing a rock slope glide plane. A waveguide rod array is arranged inside a rock slope; one waveguide rod embedded in a monitoring hole is filled with 0.1 m thick of cement mortar every other 3 m length of the waveguide rod; an acoustic emission sensor is installed at the end, on the ground, of each waveguide rod; acoustic emission signals generated from rock internal fractures are sent to cement mortar filling parts and then to the waveguide rods; the sensors at the ends of the waveguide rods receive the signals, and finally transmit the signals to an indoor wireless receiving base station through a wireless transmission device; positions, where the signals come from, of the waveguide rods can be fast determined through data analysis and marked with circles; and the trend of the glide plane can be inferred by connecting points with the densest circles on the waveguide rods. According to the acoustic emission monitoring method used for recognizing the rock slope glide plane, a large amount of workload of conventional slope monitoring can be omitted, all-weather automatic recording of the slope can be achieved and are not affected by the climate and weather, and reliable quantitative evaluation can be made on the glide trend of the slope.
Owner:JIANGXI UNIV OF SCI & TECH +2
Image capturing device having improved bridge structure
InactiveUS20130148174A1Improved bridge structureExtend your lifePictoral communicationEngineeringGlide plane
A detecting device having image capturing capability in a bridge structure is provided, which includes a housing, a bridge structure, a scanning module, and a slider. The housing has a plurality of inner walls. The bridge structure includes at least one roller, an ADF transparent layer, and a flatbed transparent layer. The roller is arranged on one of the inner walls between the ADF transparent layer, and the flatbed transparent layer. The scanning module is movably arranged below the ADF transparent layer, and the flatbed transparent layer. The scanning module and the roller are spaced apart from each other. The slider is arranged on the scanning module, where the slider has a glide plane arranged proximate to the ADF transparent layer, and the flatbed transparent layer. The roller rolls on the glide plane. Thus, the lifespan of the device may be extended through reduction of friction during scanning operation.
Owner:LITE ON ELECTRONICS (GUANGZHOU) LTD +1
Process for surface treatment of internal wall of open-end spinning frame rotor
InactiveCN102168274AEasy to operateLow costFurnace typesLiquid/solution decomposition chemical coatingHardnessEngineering
The invention relates to a process for strengthening abrasive resistance of an internal surface of an open-end spinning frame rotor, with the purposes of effectively improving the internal surface hardness and prolonging the service life of the rotor and characteristics of convenience for operation and favorable economic performance. The technical scheme is as follows: the process for surface treatment of internal walls of the open-end spinning frame rotor comprises the following steps of: (1) machining to control the roughnesses of a glide plane and a collecting groove at Ra0.7-0.9; quenching the rotor by heating to 800-900 DEG C at the intermediate speed of 15-25 DEG C / min, keeping for 15-25min and cooling in water of 20DEG C to the ambient temperature; (3) then carrying out lower tempering treatment by heating to 220-240 DEG C at the intermediate speed of 15-25 DEG C / min, keeping for 12-18min, and then cooling in air to the ambient temperature; and (4) carrying out chemical nickel-plating, wherein the pH value is between 4 and 6, the temperature is 85 DEG C+ / -2 DEG C, and the time lasts for 2-3h.
Owner:ZHEJIANG SCI-TECH UNIV
Micro-projection device and light source module thereof
The invention provides a micro-projection device and a light source module thereof. The micro-projection device comprises a base and a plurality of light source modules arranged on the base, wherein a guide plane is arranged inside the base; the plurality of equal-light-source modules are arranged on the base, and are provided with a positioning seat; a glide plane is arranged at the bottom of the positioning seat, and is of an arc structure so as to enable the glide plane to slide on the guide plane; and in virtue of the positioning seat, the equal-light-source modules can slide on the guide plane of the base to change light projection positions of the equal-light-source modules, and with the arc structure of the glide plane, light projection angles of the equal-light-source modules can be adjusted, so that the problem of uneven light distribution caused by the fact that the light generated by the micro-projection device projects on a screen is solved.
Owner:MEGAFORCE
A sliding surface sensing bolt and its monitoring method
InactiveCN107907065BThe principle is simple and reliableNovel and ingenious monitoring methodUsing optical meansEpoxyLong-period fiber grating
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1
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