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271results about How to "Structural innovation" patented technology

Large-standard high-speed resin heavy duty grinding wheel for grinding steel billet

The preparation method for the large-standard high-speed resin heavy duty grinding wheel for grinding a steel billet comprises the steps that a dedicated binding agent for a high-performance modified high polymer matrix phenolic resin grinding wheel is prepared by using phenolic resin, xylok resin, butyral resin, iron pyrite, cryolite, light magnesium oxide, barite, 400 # carborundum and calcium carbonate, dedicated formulas for a grinding layer and a core layer are separately designed by using grinding materials such as fused alumina zirconia, aluminium oxide sintered corundum, black silicon carbide, furfural, dibutyl ester, fibers and steel rings, and the large-standard high-speed resin heavy duty grinding wheel for grinding the steel billet is prepared by adopting a dual-phase reinforced composite technology and structure. According to the large-standard high-speed resin heavy duty grinding wheel for grinding the steel billet, the linear velocity is equal or greater than 90 m / s to 120 m / s, the maximum diameter is 925 mm, the thickness is 125 mm, and the tensile and breaking strength and the grinding efficiency of the grinding wheel are greatly improved. When the large-standard high-speed resin heavy duty grinding wheel for grinding the steel billet is under heavy duty, the adaptability of the condition of grinding range is wide, and the linear velocity is high. The grinding efficiency reaches a thickness of 1 cm at a time, the problems that an existing grinding wheel cannot adapt to a steel billet, and the heavy duty grinding of steel is difficult are solved well, and the increasing development requirements of the iron and steel industry are met.
Owner:江苏华东砂轮有限公司

Jacket-layer sliding type friction nanometer generator

ActiveCN103780125ASkip the installation processPackaging technology is convenientFriction generatorsNew energyElectric signal
This invention discloses a jacket-layer sliding type friction nanometer generator, comprising a first conducting member, a first friction layer, a second conducting member and a second friction layer, wherein the first friction layer is positioned on the outer surface of the first conducting member in a contact manner and the second friction layer is positioned on the outer surface of the second conducting member in a contact manner. The first friction layer comprises a plurality of first friction units and the second friction layer comprises a plurality of second friction units. The outer surfaces of the first friction units belong to a first curved surface and the inner surfaces of the second friction units belongs to a second curved surfaces. The first curved surface and the second curved surface outside the first curved surface form an inside-outside jacket-layer structure. The outer surfaces of the first friction units produce relative sliding friction with the inner surfaces of the second friction units, the friction area is changed, and electric signals are outputted to the external circuit through the first conducting member and the second conducting member. The friction nanometer generator disclosed by the invention can be used as a new energy technology or a sensor technology.
Owner:BEIJING INST OF NANOENERGY & NANOSYST

Double phosphorescent coloring agent common adulterate white light organic electroluminescent device and method for fabricating the same

InactiveCN101179116AGood white light emissionAchieving Internal Quantum EfficiencySolid-state devicesSemiconductor/solid-state device manufacturingElectronic transmissionHole transport layer
The invention pertains to double phosphorescent dyes co-doped white organic light-emitting device and discloses the preparation method. The invention adopts sandwich structure and intermingles the two high-efficient phosphorescent dyes together in the wide band gap body; and also takes use of the energy difference between emission layer and its bilateral function layers to form a structure of energy sink type; restricts exaction within the structure completely, thereby realizing composite luminescence. The structure of the device is indium tin oxide (ITO)/metal oxide/hole-transporting layer/electron blocking layer/emission layer composed of the co-doped blue and orange light phosphorescent dyes/electron transporting(hole blocking)layer/metal cathode. The prepared devices are driven by direct voltage and obtain high-efficient white light emission. The maximum electroluminescence current efficiency is 52.8cd/A; the maximum electroluminescence (EL) power efficiency is 42.5lm/W; the maximum luminance is19500 cd/m2. The devices show simultaneous emission of complementary colors of orange and blue and stable spectrum when at work. The device has simple manufacturing process, low cost and excellent stability.
Owner:CHANGZHOU INST OF ENERGY STORAGE MATERIALS &DEVICES

Dual-toroid enveloping worm with cone generatrix numerically controlled grinder

The invention discloses a dual-toroid enveloping worm with cone generatrix numerically controlled grinder, which mainly comprises a machine tool part and a control cabinet part, wherein the machine tool part comprises a machine tool body, a longitudinal planker, a traverse planker, a tailstock and a main shaft, wherein the longitudinal planker is provided with a rotary disk and a rotary guide rail; the rotary disk is provided with a radial feed planker; the radial feed planker is provided with a traverse feed planker; the traverse feed planker is provided with a grinding head part; the grinding head part is provided with a numerically controlled grinding wheel shaper; and the control cabinet part can be used for controlling the main shaft to rotate around the X axis, the rotary disk to rotate around the Y axis, the longitudinal planker to make longitudinal movement along the B1 axis, the radial feed planker to make radial feed along the B axis, the traverse feed planker to make traverse feed along the A axis, the grinding wheel to rotate around the Z axis and a tool rest of the grinding wheel shaper to make horizontal movement and vertical movement along the X1 axis and the Y1 axis, and the axle linkage is realized in the directions of the X1 axis and the Y1 axis and the linkage is realized in the X axis, the Y axis, the B axis and the A axis. Through controlling the movement of the shaped grinding wheel, the tooth surface of the dual-toroid enveloping worm with cone generatrix is enveloped.
Owner:ZHEJIANG UNIV +1

Intelligent layered controllable precision deep scarification fertilization device

The invention relates to an intelligent layered controllable precision deep scarification fertilization device, comprising a frame fixing device, a fertilizer ejecting device, a layered fertilization deep scarification device, a hydraulic driving system and a control system, wherein the fertilizer ejecting device is used for supplying a fertilizer to ensure the growth conditions of crops; the layered fertilization deep scarification device is used for deeply scarifying soil and applying the fertilizer to different soil layers; the hydraulic driving system changes the rotating speed of a fertilizer ejecting shaft of the fertilizer ejecting device by controlling the rotating speed of a hydraulic motor, and then changes the fertilizer ejecting speed; and the control system realizes fertilizer compensation by controlling the rotating speed of a hydraulic motor in the hydraulic driving system. A few of fertilizer ejecting pipes of a fertilization shovel separately reach different soil layers; each fertilizer ejecting branch is provided with an electromagnetic proportional velocity regulating valve, a hydraulic motor and an outer grooved wheel fertilizer ejector, so that layered control can be realized, the fertilization precision is higher, and the controllability is stronger; and the device realizes 'single pipe single control', layered control of the fertilization amount and intelligent precision deep fertilization, thereby improving the utilization rate of the fertilizer, relieving the labor intensity and improving the working efficiency.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Interferometric optical fiber hydrophone resisting strong electromagnetic interference and manufacturing method thereof

The invention discloses an interferometric optical fiber hydrophone resisting strong electromagnetic interference and a manufacturing method thereof. The hydrophone comprises a hydrophone casing. A sensing coil is arranged in the hydrophone casing. One end of an optical fiber which winds around the sensing coil is connected with an external optical fiber through a first coupler. The other end of the optical fiber which winds around the sensing coil is connected with a Faraday rotation mirror through a second coupler. The sensing coil, the first coupler and the second coupler are encapsulated in a structure matrix. The hydrophone casing is made of a non-metallic material. The structure matrix is encapsulated in the hydrophone casing. The Faraday rotator mirror and the external optical fiber are located outside a measured strong electromagnetic environment. Other parts of the hydrophone are located within the measured strong electromagnetic environment. According to the interferometric optical fiber hydrophone resisting strong electromagnetic interference and the manufacturing method thereof, which are provided by the invention, the Faraday rotator mirror is moved outside the measured strong electromagnetic environment; the hydrophone is completely made of the non-metallic material; and the problem of difficult acoustic signal sensing in a high magnetic field and high electric field environment can be solved.
Owner:CHINA ELECTRONICS TECH GRP NO 23 RES INST +1

Vehicle body hinged device and rotation angle control method for self-guided virtual track train

The invention discloses a vehicle body hinged device and a rotation angle control method for a self-guided virtual track train. The vehicle body hinged device comprises hinged mounting seats, a spherical metal joint and an angle sensor assembly. The hinged mounting seats are hinged by the spherical metal joint, and the angle sensor assembly is installed on the hinged mounting seats. The angle sensor assembly comprises an angle sensor, a sensor limiting bracket and a sensor positioning bracket. When a vehicle crosses a curve virtual track, the rotation angle of the hinged device is measured bythe angle sensor, and the angle information is fed back to a control system. The control system adjusts the rotation angle of the hinged device by an active shock absorber according to the angle information. According to the vehicle body hinged device and the rotation angle control method for the self-guided virtual track train, the displacement, in the longitudinal, lateral and vertical directions, of a vehicle body is limited, three-way rotation between the two vehicle bodies is allowed, and the function of load transmission is achieved. After the vehicle separation distance is reduced, andthe length of a penetrating channel is shorted, the utilization rate of vehicle space can be improved, and at the same time the turning radius of the vehicle can be smaller.
Owner:CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST +1

Combustion chamber fuel nozzle device

The invention provides a combustion chamber fuel nozzle device. The combustion chamber fuel nozzle device comprises a nozzle rod part and a fuel nozzle shell; a main combustion level oil line and a pre-combustion level oil line are arranged in the nozzle rod part; one end of the pre-combustion level oil line is connected into the fuel nozzle shell and provided with a pre-combustion level nozzle; one end of the main combustion level oil line is annularly distributed on the periphery of the fuel nozzle shell and provided with a plurality of main combustion level nozzles which are machined independently so that fuel oil in the main combustion level oil line can be ejected rotationally; and the fuel nozzle shell is connected with a main swirler and located at the outlet ends of the main combustion level nozzles and the outlet end of the pre-combustion level nozzle. According to the combustion chamber fuel nozzle device, the main combustion level nozzles are machined independently and then welded to the fuel nozzle shell, the oil injection mode of the main combustion level nozzles is adjusted, thus, the oil injection mode of the main combustion level nozzles is converted from the direct-injection mode into the centrifugal mode, the atomization effect is strengthened, mixing of fuel oil and air in a main combustion zone is facilitated, and finally, pollutant discharge of a combustion chamber is reduced.
Owner:AECC COMML AIRCRAFT ENGINE CO LTD

Paraffin-prevention and viscosity-reduction rectifier of oil field flowing well

A paraffin-prevention and viscosity-reduction rectifier of an oil field flowing well is suitable for extracting oil from an oil field high-pressure well, and the long-standing, big and difficult problem that paraffin and scale of a flowing well are scraped and removed through manual work since the beginning of the oil exploitation history is solved. The rectifier is a tubular tool and mounted in the position about one thousand meters under a paraffin-troubled well section of the well. A first-level vortex rectifier body, an impinging stream phase mixing device, a second-level vortex rectifier body, an impact type acoustic oscillator and a third-level vortex rectifier body are mounted in the rectifier from bottom to top, a large-cluster laminar-flow condensed phase state of flowing oil, gas and water can be treated to form a fine-cluster milky eddying turbulence phase state, all heterogeneous components are made to wrap one another, refining, scattering and shielding of paraffin crystals and scale crystals are achieved, the physical state, the physical property, the flow state and the flow speed of produced liquid are optimized, and the phenomenon that the well is blocked by gathered paraffin and scale crystals on the oil tube wall is fundamentally eliminated; and meanwhile, the viscosity of the produced liquid is greatly lowered, the in-well burble procedure is effectively prolonged, manual paraffin and scale scraping and removing are omitted, workover treatment is reduced, oil extraction cost is lowered, and production and efficiency are improved.
Owner:邓海波

Integrated single-fiber droplet manipulator

The invention provides an integrated single-fiber droplet manipulator. The integrated single-fiber droplet manipulator is characterized in that the device is composed of a section of multi-core optical fiber comprising a cladding and a fiber core, the fiber end is ground to form a cone frustum fiber end, the end face of the cone frustum fiber end is provided with a layer of liquid injection smoothporous surface film doped with a photosensitive material, and the film is provided with an array groove structure filled with a lubricating agent; when light waves transmitted by the fiber core are reflected by the cone frustum fiber end and then gathered to the liquid injection smooth porous surface film on the end face, the light waves are absorbed and converted into heat energy by the photosensitive material, a temperature gradient field is formed in an irradiation area, droplets attached to the liquid injection smooth porous surface film generate wetting gradient force under the influenceof the temperature gradient field, the droplets are affected by force, the posture of the droplets changes to generatesdirectional sliding, and finally, the droplets are controlled under the action of different temperature gradient fields by controlling the power of the light injected into the fiber core. The manipulator can be applied to the fields of hydromechanics, biology, medicine and the like.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Running mechanism for suspension type bridge inspection trolley

The invention relates to a running mechanism for a suspension type bridge inspection trolley, and belongs to the field of running devices of the suspension type bridge inspection trolley. The running mechanism is innovative in structure and concise in mode, a left running wheel and a right running wheel are symmetrically installed on the upper surfaces of the lower edges of the two sides of a running track, and connected with an n-shaped frame hinge pin of a main frame through connecting rods and connecting bases; a driving mechanism is composed of a motor and a manual chain driving mechanism, the motor and the manual chain driving mechanism are correspondingly connected with wheel shafts of the two running wheels respectively, the motor or the manual chain driving mechanism is controlled to achieve driving running of the running wheel on the corresponding side and driven running of the running wheel on the other side, running of the running mechanism which is driven by the motor or the manual chain driving mechanism and carries the main frame along the running track is achieved, when the motor has temporary failures in work, running can be completed through manual driving by pulling a chain, and then the stable and safe running work of the running mechanism can be guaranteed. The running mechanism is simple, safe and reliable in structure, convenient to install, easy to disassemble and replace and convenient to maintain.
Owner:WUHAN WUQIAO TRAFFIC EQUIP TECH CO LTD

Composite thin film solar cell taking microcrystalline silicon layer as incident layer and preparation method thereof

The invention discloses a composite thin film solar cell taking a microcrystalline silicon layer as an incident layer and a preparation method thereof, which relate to a special semiconductor device applied to the conversion of luminous energy into electric energy. The composite thin film solar cell consists of a transparent conductive layer, a microcrystalline silicon hole transmission layer, a dye-sensitized nanocrystalline porous film and a conductive substrate, wherein the dye-sensitized nanocrystalline porous film is coated on the conductive substrate, the microcrystalline silicon hole transmission layer is deposited on the dye-sensitized nanocrystalline porous film to form a solid-state dye-sensitized nanocrystalline microcrystalline silicon composite thin film, and the transparent conductive layer is deposited on the microcrystalline silicon hole transmission layer so as to form the composite thin film solar cell taking the microcrystalline silicon layer as the incident layer. A dye-sensitized nanocrystalline material and the microcrystalline silicon composite thin film material are directly prepared on the conductive substrate, so the composite thin film solar cell and the preparation method thereof overcome the shortcomings of dependence of a dye-sensitized solar cell on transparent conductive glass, low preparation rate and high preparation cost of the microcrystalline silicon thin film solar cell, and the low liquid stability of the conventional dye-sensitized solar cell in the prior art.
Owner:HEBEI UNIV OF TECH

Metal armored double circuit removable high voltage vacuum contactor switchgear

The invention relates to a metal-clad double-circuit removable high-voltage vacuum contactor switchgear, which belongs to the electrical category and includes a device main body, a removable vacuum contactor, a static contact, a current transformer, a grounding switch, a main busbar, Quick opening mechanism, ground busbar, shutter mechanism, contact box and equipment door panel. It adopts the arrangement of two removable vacuum contactors overlapping up and down to form the overall equipment body. The fixed contact of the contact arm of the removable vacuum contactor on the upper side is connected with the phase line of the main bus through the branch bus; The static contact of the contact arm of the removable vacuum contactor is connected to the current transformer, the current transformer is connected to the grounding switch through the branch busbar, and each compartment is connected through the grounding busbar to achieve a good grounding function. The invention has strong practicability and can be directly assembled with the high-voltage vacuum circuit breaker cabinet without adding any switching device, and the vacuum circuit breaker can also be directly installed, which greatly improves the variability and utilization rate of the product.
Owner:JILIN JINGUAN ELECTRIC

Fold-line-shaped and fan-shaped biaxial rotary sewage blocking and sewage cleaning system

The invention relates to a fold-line-shaped and fan-shaped biaxial rotary sewage blocking and sewage cleaning system, which belongs to the field of water conservancy project facilities and comprises a vertical sewage blocking fence, a fold-line-shaped sewage blocking fence, a fan-shaped sewage blocking fence, a fence difference monitoring system a motive power device, a transmission belt, a work bridge, a sewage guide plate and bearings, wherein the fence difference monitoring system consists of an upstream water level sensor and a downstream water level sensor, and the bearings are used for respectively controlling the fold-line-shaped sewage blocking fence and the fan-shaped sewage blocking fence. The upstream water level sensor and the downstream water level sensor arranged in the fence difference monitoring system are respectively connected with a remote computer system through data wires, and the remote computer system is used for automatically or manually controlling the motive power device for monitoring the water level differences in front of the vertical sewage blocking fence and behind the vertical sewage blocking fence. The sewage blocking and sewage cleaning system provided by the invention has the advantages that the sewage collection, the sewage blocking and the sewage cleaning are integrated, the problem of sewage blocking fence blockage caused by sewage blockage at water taking openings in the water conservancy project operation process is solved, the manufacture is simple, the use is convenient and reliable, in addition, the cost is low, economy and applicability are realized, the sewage collection, sewage blocking and sewage cleaning effects are ideal, and the sewage blocking and sewage cleaning system is suitable for being popularized and applied.
Owner:SICHUAN UNIV

Catalyst for preparing low-carbon olefin through one-step conversion of synthesis gas and preparing method and application thereof

The invention discloses a catalyst for preparing low-carbon olefin through one-step conversion of synthesis gas and a preparing method and application thereof. The catalyst comprises Fe, Zr or Mn, K and oxides thereof and is prepared in the way that urea serves as the precipitant and is mixed with a solution, then microwave hydrothermal precipitation is conducted, and filtration, washing and absolute ethyl alcohol ultrasonic dispersion are conducted to obtain precipitate A; or ammonium hydroxide serves as the precipitant and is mixed with a solution, then precipitation is conducted, and filtration, washing and absolute ethyl alcohol ultrasonic dispersion are conducted to obtain precipitate B; urea serving as the precipitant and the obtained A are mixed and stirred and then subjected to dynamic hydrothermal precipitation; ammonium hydroxide serving as the precipitant and the obtained B are mixed and stirred and then subjected to dynamic precipitation; the obtained precipitate is separated, filtered, washed and dried to obtain powder; a potassium carbonate solution is prepared to serve as impregnation liquid to impregnate the powder, and drying, grinding, tabletting and pelleting are conducted to obtain the catalyst. Olefin selectivity is effectively improved, and product distribution is improved; furthermore, raw materials are cheap and easy to obtain, and particle size is controllable.
Owner:NINGXIA UNIVERSITY
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