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Three-coordinate galvanometer scanning laser processing head
ActiveCN102166685ARealize the self-adjustment function of processing focal lengthCombined processing is simpleLaser beam welding apparatusNumerical controlLaser processing
The invention provides a three-coordinate galvanometer scanning laser processing head, which comprises an XY two-axis laser galvanometer system, a clamping mechanism, a Z-axis moving mechanism, a laser displacement sensor and a control system, wherein the Z-axis moving mechanism comprises a fixed part and a moving part, and the clamping mechanism is fixedly mounted on the fixed part of the Z-axis moving mechanism; and the XY two-axis laser galvanometer system and the laser displacement sensor are fixedly mounted on the moving part of the Z-axis moving mechanism, and the laser displacement sensor, the Z-axis moving mechanism and the XY two-axis laser galvanometer system are all electrically connected with the control system. The laser processing head has the function of dynamic focal length setting, and has an independent and compact structure; the laser processing head has the broach interface design of a standard numerically-controlled machine tool, which enables the laser processing head to be easily assembled for processing with commercialized multi-axis synchronous numerically-controlled machine tools of a three-axis type, a five-axis type, and the like; and technological flexibility is greatly enhanced, and a conventional multi-axis synchronous numerically-controlled machine tool can be conveniently changed into a galvanometer scanning laser processing machine tool with compatible functions, thereby the three-coordinate galvanometer scanning laser processing head has important practical value.
Owner:武汉飞能达激光技术有限公司
Submodule unit of voltage source transverter based on full control components
ActiveCN103036452AEasy to transport and installClear installationConversion constructional detailsElectrical apparatus contructional detailsWater pipeTransverter
The invention provides a submodule unit of a voltage source transverter based on full control components. The voltage source transverter is a three-phase six-bridge structure. Each bridge arm comprises a plurality of submodules which are connected in series. Each submodule comprises electric power components such as a capacitor, insulated gate bipolar translators (IGBT) modules with a structure of a semi-bridge, wherein the capacitor and the IGBT modules are connected in parallel. The submodule unit of the voltage source transverter based on the full control components further comprises a main support structure, a support plate, a connecting water pipe, radiators and the like. The main support structure is used for supporting the electric power components of the submodule unit, the support plate, the connecting water pipe and the radiators. The support plate is perpendicular to a base of the main support structure. The support plate is provided with the two radiators which are symmetrically arranged. The radiators are connected through the connecting water pipe. Two IGBT modules of each submodule are respectively arranged on the two radiators. The bottom of the capacitor of the each submodule is fixed on the base of the main support structure through bolts. The submodule unit of the voltage source transverter based on the full control components is a self-contained electrical system, is capable of expanding according to the need of the system, and is independent in structure and convenient to install and transport.
Owner:GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2
Refrigerator temperature varying chamber and dehumidification controlling method thereof
ActiveCN104457134AWill not affect freshnessSimple structureLighting and heating apparatusDomestic refrigeratorsRoom temperatureEngineering
A refrigerator temperature varying chamber comprises a temperature varying chamber body arranged in a refrigerator. The refrigerator temperature varying chamber is characterized in that a circular duct is arranged inside or outside the temperature varying chamber body, and a fan, an evaporator, a heating wire and a temperature sensor are arranged on the circular duct at least. After the fan is turned on, air is pushed into the temperature varying chamber body by fan through an air supply opening and returns to a return air inlet via the temperature varying chamber body, damp air in the temperature varying chamber body enters the evaporator and is condensed or iced by the evaporator to become dry air, the dry air is then fed to the temperature varying chamber body through the air supply opening to complete circular delivery of the air, and meanwhile dehumidification controlling of the temperature varying chamber body is realized. The fan and the heating wire are controlled by a control element separately, the temperature sensor detects temperature and feeds back the temperature to the control element, the control element then controls the fan and the heating wire cooperatively according to a preset instruction, fluctuation of the room temperature within a reasonable range is ensured, and when the temperature is too low, the fan stops operation while the heating wire continues operation; when the temperature is too high, the heating wire stops operation and the fan fan continues operation.
Owner:GUANGDONG GALANZ GRP CO LTD
Control apparatus for LED lamp, and intelligent LED lamp
InactiveCN106413187AHigh degree of intelligenceAchieve constant illuminance lightingElectrical apparatusElectroluminescent light sourcesControl signalEngineering
The invention discloses a control apparatus for an LED lamp. The control apparatus comprises a wireless module and a control processing module which are connected, wherein the wireless module receives lamplight setting information; the control processing module generates a corresponding adjustment control signal according to the lamplight setting information to control the lamplight of the LED lamp. In addition, the invention also discloses an intelligent LED lamp, wherein the intelligent LED lamp comprises the abovementioned control apparatus for the LED lamp, a driving module and an LED module; the driving module is connected with the LED module and the control processing module of the control apparatus separately, wherein the wireless module of the control apparatus receives the lamplight setting information; the control processing module generates the corresponding adjustment control signal according to the lamplight setting information; and the driving module receives the adjustment control signal from the control processing module to control the lamplight of the LED lamp according to the adjustment control signal. By adoption of the control apparatus for the LED lamp and the intelligent LED lamp, the luminance and color adjustment on the LED lamp and intelligent monitoring are realized, so that an effect of intelligent control, intelligent luminance and color adjustment and intelligent monitoring are actually achieved.
Owner:PHICOMM (SHANGHAI) CO LTD
Electro-hydraulic driving setting tool
InactiveCN103075123AReliable structureThe overall structure is relatively independentBorehole/well accessoriesHigh pressureMechanical engineering
The invention discloses an electro-hydraulic driving setting tool which comprises an upper connector, a balancing piston, a cylinder barrel, a pump station system, an acting cylinder, an inner sleeve and an outer sleeve, wherein the upper connector is located at the top of the cylinder barrel and is connected with a ground power supply; the balancing piston is sleeved in the cylinder barrel in a sliding form; the balancing piston, the cylinder barrel and the acting cylinder at the bottom of the cylinder barrel form a sealed cavity which is served as a system oil tank; the pump station system is located in the cavity and is used for outputting high-pressure oil for the acting cylinder; the upper part of the inner sleeve is connected with the bottom of the acting cylinder barrel of the acting cylinder through a thread; the lower part of the inner sleeve is connected with a spindle of a packer; the outer sleeve is sleeved on the inner sleeve in a sliding form and is connected with a piston rod of the acting cylinder through a connecting device; the outer sleeve is connected with an expandable compressing part of an external packer; and the piston rod drives the outer sleeve to carry out a setting operation under the effect of hydraulic pressure. The electro-hydraulic driving setting tool provided by the invention can supply a bigger axial thrust to an expandable packer and is recoverable and reusable; the axial thrust can be changed according to different well conditions; and the electro-hydraulic driving setting tool is suitable for any packer.
Owner:SINOPEC RES INST OF GASOLINEEUM ENG +1
Photo thermal driving micro motor
The mocro motor includes a system of pulsed light source and a rotation system. The system of pulsed light source possesses laser, electrooptic crystal, polarization disk. The electrooptic crystal is controlled by pulsed signal generation module and amplification loop. The rotation system possesses an expanding arm, friction plate, coaxial rotor, and a piece of compression spring. One end of the expanding arm is fixed, and the other end is pasted to the friction plate. One end of the piece of compression spring is fixed, and the other end is connected to a spring. The rotor is connected to the piece of compression spring, and the friction plate. Advantages are: small output step pitch, high speed, driven by laser directly, no read wire required, microminiature, possible to be placed in enclosure space (such as vacuum cavity), and remote controllable.
Owner:ZHEJIANG UNIV
Acidic texturing liquid for silicon wafer pyramid texturing, texturing method and silicon wafer formed in texturing manner through adoption of texturing method
ActiveCN105405755ASimple operation processSave energyFinal product manufactureSemiconductor/solid-state device manufacturingReaction temperatureSilicon oxide
The invention provides an acidic texturing liquid for silicon wafer pyramid texturing, a texturing method and a silicon wafer formed in a texturing manner through adoption of the texturing method. The acidic texturing liquid comprises a copper ion source for providing 0.1-25.0 mmol / L copper ions, a fluoride ion source for providing 0.5-10.0 mol / L fluoride ions, and a 0.1-5.0mol / L oxidant for capable of oxidizing silicon in the silicon wafer into silicon oxide and copper into the copper ions. A surface of the silicon wafer is preferably textured by virtue of the acidic texturing solution and thus an independent, complete and compactly arranged positive-pyramid structure textured structure is formed on the surface of the silicon wafer at an indoor temperature condition and a relatively short time. Surface reflectivity of textured structure is between 10% and 25%, and a difference between the reflectivity of the positive-pyramid structure textured structure and reflectivity of a pyramid textured structure, obtained through adoption of alkali texturing in great industry production, of a surface of a silicon wafer is very small. The acidic texturing liquid and the texturing method, which are used in the method, can reduce production cost and reaction temperature, shorten reaction time and increase the production capacity.
Owner:深圳市石金科技股份有限公司
Purification technology for side product of flue gas ammonia-desulphurization
InactiveCN102826572AImprove mixing efficiencyImprove filtering effectDispersed particle separationAmmonium sulfatesGas phaseRoom temperature
The invention discloses a purification technology for a side product of flue gas ammonia-desulphurization, by the purification technology, the problem of influence on product quality caused by that the dust cannot be removed in the existing purification technology is solved. The technical scheme comprises the following steps of: 1, solid liquid separation: heating an absorption solution to be 75 DEG C to 90 DEG C, standing, settling and separating, so as to obtain an oil phase of the uppermost layer, a water phase of the intermediate layer, and a solid-liquid mixed phase of the lower layer; 2, film filter oxidization: introducing the water phase in a film filter oxidization device, bubbling while filtering, introducing hot air, keeping the hot air at the temperature of 75 DEG C to 90 DEG C, carrying out oxidization of ammonium sulfate and ammonium nitrite, and film filter treatment of dust, so as to obtain a gas phase, a filtrate and a solid-liquid mixed phase; 3, concentrating cooling: introducing bubbles in the filtrate in room-temperature air, or spraying the filtrate to contact room-temperature air, concentrating and cooling to 55 DEG C to 60 DEG C, so as to obtain a gas phase and a cooled solution, and introducing the cooled solution in an ammonium sulfate crystallizing system to carry out the ammonium sulfate crystallization treatment. The technology disclosed by the invention is simple in process, low in operation cost, is doubled as oxidization and dust removing, and high-quality ammonium sulfate products can be obtained.
Owner:武汉钢铁有限公司 +1
Method for welding substrate and diaphragm of diaphragm-moving polymer microfluidic chip
ActiveCN102319956AWeld firmlySmooth welding surfaceLaboratory glasswaresForming microstructural systemsEngineeringPolymer
The invention discloses a method for welding a substrate and a diaphragm of a diaphragm-moving polymer microfluidic chip, which relates to the technical field of diaphragm-moving polymer microfluidic chip production. The method includes the steps that: before welding, the substrate is fixed, the diaphragm is spread flat to cover the surface of the substrate; pressure is applied to press the diaphragm on the surface of the substrate; during welding, laser is utilized to irradiate the welding area on the substrate via the diaphragm, and after the welding area is heated to be molten, the substrate and the diaphragm are welded together. The method realizes the welding of the diaphragm and the substrate of the diaphragm-moving polymer microfluidic chip, moreover, welding is firm, and the face of weld is smooth and even.
Owner:BEIJING BOHUI INNOVATION TECH
Feedback network and array antenna
ActiveCN103956576AImprove standing waveNo additional processing requiredAntenna couplingsSeparate antenna unit combinationsPhase shiftedCoupling
The invention discloses a feedback network which comprises a first energy coupling part, a phase shift wire and a second energy coupling part. The first energy coupling part is arranged on a first feed line of an array antenna or is arranged in the preset range of a first antenna unit of the array antenna and is used for carrying out coupling on signals sent by the first antenna unit, and first coupling signals are obtained. The phase shift wire is connected with the first energy coupling part and is used for receiving the first coupling signals, and the first coupling signals are subjected to phase adjusting and then are output. The second energy coupling part is arranged on a second feed line of the array antenna or is arranged in the preset range of a second antenna unit of the array antenna and is used for carrying out coupling on the first coupling signals after phase adjusting, and second coupling signals are obtained. The second coupling signals are sent to the second antenna unit through the second feed line to offset reflecting signals received by the second antenna unit. The invention further discloses the array antenna. Array antenna standing waves can be improved, and the bandwidth of the array antenna is improved.
Owner:HUAWEI TECH CO LTD
A Force-Limited Compression-Release Mechanism
ActiveCN105253331BSmall pressing forceIncrease the pressing forceCosmonautic power supply systemsEngineeringMechanical engineering
Owner:BEIJING INST OF SPACECRAFT SYST ENG
Blue-light luminous capsule capable of being used for killing helicobacter pylori
InactiveCN102512766ASolve the poor killing effectSolve the side effectsLight therapySide effectGastrointestinal tissue
The invention discloses a blue-light luminous capsule capable of being used for killing helicobacter pylori, which comprises a sealed shell. A control circuit board is arranged in the shell and is successively serially connected with a power source, a switch and an LED bulb emitting blue light, at least one portion in the shell is transparent, and accordingly the light emitted from the LED bulb is transmitted outwards. A blue-light bactericidal principle is adopted to realize the purpose of killing the helicobacter pylori of the gastrointestinal tract of a patient. The blue-light luminous capsule has the advantages of small volume, light weight, independent structure and the like, is applicable to realizing blue-light illumination in severe special environments such as gastrointestinal tracts and the like, can be integrally swallowed by the patient in a medicine taking manner, is used for realizing blue-light illumination for the inner wall of the gastrointestinal tract of the patient, kills the helicobacter pylori, is a pollution-free disposable miniature medical instrument, does not cause any wounds on gastrointestinal tissues and other organs of the patient, is fine in sterilization effect and free of poison and side effects, and excellently resolves problems that traditionally orally administrated medicine is poor in helicobacter pylori killing effect and high in side effects.
Owner:代劲
Rack type bridge expansion device
ActiveCN103850179AFunction independentStructure independentBridge structural detailsClassical mechanicsEngineering
The invention discloses a rack type bridge expansion device which comprises racks, an anchoring component, a displacement box, a cross beam, an H-shaped middle beam, an H-shaped lateral beam, a pressure spring I, a support I, a pressure spring II, a support II, a sliding frame and a waterproof adhesive tape, wherein the two ends of the cross beam are pre-pressed in the displacement box through the pressure spring I and the support I; the sliding frame is pre-pressed on the cross beam through the pressure spring II and the support II; the H-shaped lateral beam is integrally fixed with the displacement box; the H-shaped middle beam and the sliding frame are integrally connected through a bolt; the H-shaped middle beam can move by following the sliding of the sliding frame on the cross beam; the racks are arranged in a staggered form; one ends of the racks are pre-pressed on the H-shaped middle beam through the bolts while the other ends are pre-pressed on the H-shaped lateral beam through the bolts. The H-shaped middle beam is in sliding connection with the cross beam through the sliding frame, so that the displacement can be realized by the rack type bridge expansion device. The rack type bridge expansion device has the advantages of stable running, small effect caused by impact force, low cost and strong capability of adapting to three-dimensional deformation of the bridge.
Owner:CHENGDU XINZHU ROAD & BRIDGE MASCH CO LTD
Pulse current assisted hollow shunt billet micro-forming die and method
ActiveCN108994102AImprove filling qualityHigh forming precisionExtrusion diesPulse power supplyTitanium alloy
The invention discloses a pulse current assisted hollow shunt billet micro-forming die and method and relates to a micro-forming die and method for miniature parts. In order to solve bottleneck problems that billets of miniature parts made of titanium alloy and other difficult-to-form materials have slow heating speeds, the micro die cavity is difficult to fill, the service life of the die is lowand the like, the micro-forming die comprises a die handle, an upper plate, a punch fixing plate, a punch, a female die, a female die fixing block, a demolding cushion block and a lower plate arrangedfrom top to bottom in sequence, wherein the punch is fixed in a stepped through hole which is large in top and small in bottom on the punch fixing plate. The forming method comprises the following steps: 1, die assembling, arranging the billet in the cavity of the female die, enabling pressure equipment to move downwards to drive the punch to move downwards so as to be in contact with the upper end face of the male die, continuously enabling the male die to move downwards to reach a certain pre-tightening pressure with the billet and stopping; 2, starting a pulsed power supply, heating the billets, and performing extrusion forming; 3, taking out the male die and the formed miniature parts. The invention belongs to the technical field of machine manufacturing and plastic micro-forming.
Owner:HARBIN INST OF TECH
Vertical high-precision powder dosing device with three-axis movement
PendingCN110386271AStructure independentSmooth rotationLarge containersSolid materialNew energyDual axis
The present invention relates to the technical field of dosing, in particular to a vertical high-precision powder dosing device with three-axis movement; the dosing device is suitable for the industryof fine chemicals, and the industry of new energy, food and medicine, and includes a frame; a material storage bin is arranged above the frame; a feeding port is arranged at the top of the material storage bin; a discharging port is arranged at the bottom of the material storage bin; the frame close to the discharging port is provided with a door opening and closing mechanism for closing or opening the discharging port; a blanking unit for outputting materials is arranged in the material storage bin; a conveying unit used for conveying a container to the discharging port of the material storage bin is arranged below the material storage bin; a conveying platform used for bearing the conveying unit is arranged on the frame; and a moving jacking unit used for jacking and moving the entire conveying unit from the conveying platform is arranged below the conveying unit. The dosing device of the present invention adopts an internal vertical spiral feeding mode and is combined with an external double-shaft mode of stirring and arch breaking, and the internal and external double shafts are respectively driven by double motors, and thus the structure of the dosing device is independent.
Owner:常州百韩科智能装备有限公司
Bionic eye
InactiveCN1534372AQuality improvementMovement speed is convenient and easyTelevision system detailsColor television detailsEngineeringBionics
Owner:李晓晨
Detection unit for online negative pressure air suction conveying device of roll paper die-cutting machine belt
ActiveCN104528419AAccurate and smooth deliverySmooth and accurate deliveryCleaning using gasesArticle feedersRolling paperEngineering
The invention discloses a detection unit for an online negative pressure air suction conveying device of a roll paper die-cutting machine belt. The detection unit comprises the conveying device, negative pressure cavity boxes, a foldable negative pressure cavity box, a sliding device of the foldable negative pressure cavity box and a belt supporting frame. The negative pressure cavity boxes and the foldable negative pressure cavity box are arranged on the lower face of a conveyor belt and the foldable negative pressure cavity box can slide, stretch and retract in one negative pressure cavity box. A negative pressure cavity panel is arranged on the negative pressure cavity boxes and the foldable negative pressure cavity box. The negative pressure cavity boxes are fixed to a rack, the foldable negative pressure cavity box is fixed to the sliding device, and the sliding device is connected with a cylinder. The negative pressure cavity boxes and the foldable negative pressure cavity box are provided with connectors and connected with an exhaust fan. The belt supporting frame is a mesh type frame arranged on the negative pressure cavity panel. A dust removal device and a connection device can be additionally arranged on the detection unit. Products can be stably and accurately conveyed to a detection device through the negative pressure air suction conveying device.
Owner:CHANGDE JINPENG PRINTING
Rack type bridge expansion device
ActiveCN103850179BAvoid corrosionFunction independentBridge structural detailsComputer engineeringH shaped
The invention discloses a rack type bridge expansion device which comprises racks, an anchoring component, a displacement box, a cross beam, an H-shaped middle beam, an H-shaped lateral beam, a pressure spring I, a support I, a pressure spring II, a support II, a sliding frame and a waterproof adhesive tape, wherein the two ends of the cross beam are pre-pressed in the displacement box through the pressure spring I and the support I; the sliding frame is pre-pressed on the cross beam through the pressure spring II and the support II; the H-shaped lateral beam is integrally fixed with the displacement box; the H-shaped middle beam and the sliding frame are integrally connected through a bolt; the H-shaped middle beam can move by following the sliding of the sliding frame on the cross beam; the racks are arranged in a staggered form; one ends of the racks are pre-pressed on the H-shaped middle beam through the bolts while the other ends are pre-pressed on the H-shaped lateral beam through the bolts. The H-shaped middle beam is in sliding connection with the cross beam through the sliding frame, so that the displacement can be realized by the rack type bridge expansion device. The rack type bridge expansion device has the advantages of stable running, small effect caused by impact force, low cost and strong capability of adapting to three-dimensional deformation of the bridge.
Owner:CHENGDU XINZHU ROAD & BRIDGE MASCH CO LTD
X-band active array sub-array structure
PendingCN108767415AComply with the collection folding requirementsCompact structureAntenna arraysRadiating elements structural formsArray data structureEngineering
The invention discloses an X-band active array sub-array structure, and relates to the technical field of electronic countermeasure. The X-band active array sub-array structure comprises an antenna layer, a module layer, a cold plate and an auxiliary layer, wherein the antenna layer comprises sixteen optimized aperture antenna units which are arranged a mode of four by four rectangular arrays, themodule layer comprises four unit assemblies in a mode of two by two rectangular arrays, a cold liquid passage is arranged in the cold plate, via holes are further formed in the cold plate, the auxiliary layer comprises an auxiliary module fixedly arranged on a bottom surface of the cold plate, and the unit assemblies are connected with a circularly-circulated device and a power control module bya feeder penetrating through the via holes. The X-band active array sub-array structure has the characteristics of structure independence and function independence, flexible block-type building can beachieved, modular splicing is facilitated, and the X-band active array sub-array structure is suitably used for large-size equipment with overlarge power and low cost.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
Load rejection controller
InactiveCN108313239AEasy to operateSimplify operating proceduresUnderwater equipmentControl functionLoad rejection
The invention discloses a load rejection controller which can automatically separate a mine or other weapons from mine head ballast and a mine tail balance tank. The load rejection controller is easyto operate and can be assembled without a special tool or a special clamp, the operation specification is simplified, the work intensity is reduced, and a control function is effectively finished; theload rejection controller is independent in structure and can be independently stored usually, the load rejection controller only needs to be simply connected with a mine accessory (or other weapons)in the use process, and a preset function can be achieved; the load rejection controller can be automatically separated, after an UUV releases a mine load, the load rejection controller sinks to thepreset water depth range to control the mine (or other weapons) to be separated from the mine head ballast and the mine tail balance tank, and a set task of the mine (or other weapons) is not affected; and the load rejection controller has the beneficial effects that control release reliability is high (and can reach 99.7%), structural combination is simple and compact, operation is convenient, and use is flexible.
Owner:CSIC NO 710 RES & DEV INST
Device for equipment cabinet to enter cabin
ActiveCN104118460AInto the cabin to achieveMeet the needs of entering the cabinHand carts with multiple axesSystems engineering
The invention relates to a device for an equipment cabinet to enter a cabin. The device comprises a cabin entry guide rail assembly and an on-rail trolley, wherein the on-rail trolley is installed on the cabin entry guide rail assembly and movably connected with the cabin entry guide rail assembly. The device for the equipment cabinet to enter the cabin can meet the requirements of the equipment cabinet to enter various cabins. The device is easy and reliable to operate, the labor intensity for the equipment cabinet to enter the cabin can be greatly reduced, and meanwhile the efficiency for the equipment cabinet to enter the cabin is greatly improved. Through the device, the equipment cabinet can enter the cabin stably, and the risk of collision and friction between the equipment cabinet and a cabin door, a cabin door sill, a floor in the cabin and the like is effectively avoided.
Owner:BEIJING INST OF RADIO MEASUREMENT
Welding fixture for automobile part machining
InactiveCN107398668APrevent sideslipAvoid offsetWelding/cutting auxillary devicesAuxillary welding devicesCompression deviceEngineering
The invention discloses a welding fixture for automobile part machining. The welding fixture for automobile part machining comprises a fixture bottom plate, a fixture body and a base, wherein the fixture body is fixed above the fixture bottom plate through a screw; the base is welded below the fixture bottom plate; the fixture body comprises a compression device, a transition block and a support seat; the support seat is L-shaped; the transition block is fixed to a side of the support seat through a plurality of location pins, and the compression device is arranged at the other side of the support seat; a location block is installed above a left side of the transition block through a location pin; an adjustment gasket is placed between the transition block and the location block, and a press block is arranged above the location block; a limit block is fixed to a left side of the transition block through a location pin; the limit block is as high as the location block; and an upper end of the location block faces the press block. The welding fixture for automobile part machining is high in location accuracy, and flexibility degree is remarkably increased; and the structures are relatively independent, simple in structure and convenient to replace, and production and machining costs are remarkably lowered.
Owner:安徽特斯艾尔机电设备有限公司
Automatic cable returning and winding displacement equipment for optical cable
ActiveCN106443926AConvenient power sourceMove and use Soul Source and ShortcutsFibre mechanical structuresHuman powerEngineering
The invention belongs to the field of take-up equipment of optical cables and discloses automatic cable returning and winding displacement equipment for an optical cable. The automatic cable returning and winding displacement equipment comprises a rack, a polished rod winding displacement device, a swing arm, an extension spring, a pressure roller and a transitional guide wheel, wherein the polished rod winding displacement device comprises a winding displacement rotating shaft and a moving main body; the winding displacement rotating shaft is rotationally arranged on the rack; an intermediate rotating shaft is rotationally arranged on the swing arm; the pressure roller is fixedly arranged on the intermediate rotating shaft; the intermediate rotating shaft is connected with the winding displacement rotating shaft by a driving mechanism; one end of the extension spring is arranged on the swing arm, and the other end of the extension spring is arranged on the rack; the transitional guide wheel is fixedly arranged on the moving main body and the central line of the transitional guide wheel is parallel to that of the winding displacement rotating shaft. The automatic cable returning and winding displacement equipment can be used in production links in batches and is remarkable in effect; a large amount of labor force is reduced, and the winding displacement quality of a recovered optical cable subunit or an optical cable casing pipe is improved.
Owner:YANGTZE OPTICAL FIBRE & CABLE CO LTD
Asymmetric supporting device of gob side entry
ActiveCN105626103AImprove securityImprove stabilityUnderground chambersTunnel liningSheet steelCurve shape
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Intelligent sunshading grilling system
ActiveCN107476508AStructure independentFunction independentSunshadesSupporting systemLight equipment
The invention discloses an intelligent sunshading grilling system. The intelligent sunshading grilling system comprises a grilling plate system formed by arranging a plurality of grilling plate unit bodies. The grilling plate unit bodies are fixed to a support system through a grilling plate supporting system, the support system penetrates through a glass curtain wall system and is fixed to a building main structure located on the inner side of the glass curtain wall system, the grilling plate system and the glass curtain wall system are mutually not connected and structurally independent correspondingly, nightscape illuminating equipment is installed at the outer eave of the top of the grilling plate unit body located at the uppermost portion of the grilling plate system, and light rays emitted by the nightscape illuminating equipment are projected from bottom to top to achieve the nightscape illuminating effect. According to the intelligent sunshading grilling system, construction is independent, daily cleaning and maintaining are easy, the requirements for indoor lighting and sunshading can be met, the outdoor nightscape illuminating function can further be achieved, and the intelligent sunshading grilling system is a building outer decorating system capable of being integrated and unified with the glass curtain wall system.
Owner:BEIJING JANGHO CURTAIN WALL SYST ENG
Adjusting structure of centrifugal compressor and centrifugal compressor
ActiveCN104131999AAdjustable widthPrecise width adjustmentPump componentsPumpsEngineeringCentrifugal compressor
The invention provides an adjusting structure of a centrifugal compressor and a centrifugal compressor. The adjusting structure of the centrifugal compressor is used for adjusting the width of a diffusion outlet of an impeller of the centrifugal compressor. The centrifugal compressor comprises a box body, and the diffusion outlet is commonly formed by a support fixedly connected with the box body, and a mounting plate. The adjusting structure comprises a driving device, a driving ring, a transmission device and an adjustable device. The driving ring is respectively connected with the driving device and the transmission device. The adjustable device is connected with the transmission device and shields the diffusion outlet. The driving ring is in a ring shape and is arranged on the support in a sleeved mode. The driving ring is provided with a slot matched with the transmission device. The driving device drives the driving ring to conduct relative rotation movement coaxial with the support. The driving ring drives the adjustable device to move through the transmission device and used for changing the shielding range of the adjustable device, and therefore the width of the diffusion outlet is adjusted. Design in reasonable, the structure is independent, installation is easy, the width of the diffusion outlet of the impeller of the centrifugal compressor is accurately adjusted, and refrigerant gas can be protected against backflow.
Owner:GREE ELECTRIC APPLIANCES INC
Low-noise trepanning and sinking device suitable for underwater unmanned system
ActiveCN111071422AMeet low-noise operation requirementsReduce noiseUnderwater vesselsUnderwater equipmentMarine engineeringUnderwater
The invention discloses a low-noise trepanning and sinking device suitable for an underwater unmanned system, and belongs to the technical field of underwater operation appliances. The device comprises a mounting seat, a bearing ring, a wedge-shaped trepanning mechanism, a lever limiting mechanism and the like. The device is installed on the surface of an underwater unmanned system sealing shell,and it can be ensured that the interior of the underwater unmanned system sealing shell is isolated and sealed from the external seawater environment before action; and after the trepanning action isexecuted, a water inlet hole with the diameter of 130 mm (the diameter of the piston body is 130 mm) can be formed in the surface of the underwater unmanned system, and seawater is poured into the unmanned system through the water inlet hole, so the underwater unmanned system sinks and is self-destroyed.
Owner:中国船舶重工集团有限公司第七一0研究所
Self-destruction equipment based on in-line fuze
PendingCN109489507AAchieving safe detonationImprove securityAmmunition fuzesExplosive trainEngineering
The invention discloses self-destruction equipment based on an in-line fuze. The self-destruction equipment based on the in-line fuze comprises an installation plate and an in-line priming device, wherein the in-line priming device is fixedly connected with the installation plate; the installation plate is fixedly connected with an underwater mine baffle plate; the in-line priming device comprisesa battery assembly, a sensor module, a full electronic logic assembly and a switch assembly arranged in a first shell, and a high-pressure priming module, a slapper plate detonator and an energy-gathered detonating primer arranged in a second shell; and the first shell is fixedly connected with the second shell. According to the self-destruction equipment based on the in-line fuze provided by theinvention, an in-line explosive train technology is applied to underwater ordnance self-destruction equipment, the self-destruction equipment is started when the underwater ordnance service time doesnot reach to the predetermined condition or exceeds the service time, so that the safe priming of underwater ordnance is realized, the safety in manoeuvre or actual combat is improved, and the technology service safety is ensured.
Owner:NAVAL UNIV OF ENG PLA
Device for realizing controllable multidirectional power output by dual-power input of tractor
ActiveCN108547945AMake up for the defect of not being able to output power forwardRealize the front-end operation functionControlled membersGearing controlDrive shaftGear wheel
The invention discloses a device for realizing controllable multidirectional power output by dual-power input of a tractor. The device comprises a power input part, a power transmission part, a powercontrol part and a power output part, wherein the power input part comprises a first power input shaft and a second power input shaft; the power transmission part comprises a first driving gear, a second driving gear, a first driven gear, a second driven gear, a first transmission gear, a second transmission gear, a first transmission shaft, a third transmission gear, a fourth transmission gear, afifth transmission gear and a bearing; the power control part comprises a splined hub, a combining sleeve, a first shifting fork, a first internal spline gear, a second shifting fork, a second internal spline gear and a third shifting fork; and the power output part comprises a first power output shaft, a second power output shaft, a third power output shaft and a bevel gear wheel. The device hasthe advantages of independent structure and simple operation, can realize controllable multidirectional power output and can drive two different functions of agricultural equipment at the same time.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Cutting blade
ActiveCN106975760AReduce cutting vibrationImprove cutting accuracyCutting insertsTurning toolsEngineeringKnife blades
The invention discloses a cutting blade. The cutting blade comprises a plate-shaped blade body which is encircled by an upper surface, a lower surface and a side surface, wherein the upper surface and the lower surface are connected through the side surface; the upper surface and the side surface are intersected to form a plurality of cutting units which have the same structure; a cutting edge unit comprises a secondary cutting edge, a main cutting edge, and a corner cutting edge which is positioned between the secondary cutting edge and the main cutting edge; the secondary cutting edge and the main cutting edge are alternatively arranged in the circumference of the blade body; the main cutting edge comprises a first cutting edge, a second cutting edge, and a transition cutting edge for connecting the first cutting edge and the second cutting edge; the surface, vertical to the feeding direction of the cutting blade in hole drilling processing, is a reference surface O; in the upper surface direction, the secondary cutting edge is provided with one cutting slope, and the first cutting edge, the second cutting edge and the transition cutting edge are correspondingly provided with the cutting slope k1, k2 and k3 which meet the formula seeing the description. The cutting blade has the advantages of being high in cutting accuracy, small in cutting vibration, long in service life, etc.
Owner:ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
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