Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

41results about How to "Avoid the effects of intensity" patented technology

Microbial seal-healing capsule for coal mine air leakage plugging as well as preparation method and application of microbial seal-healing capsule

The invention discloses a microbial seal-healing capsule for coal mine air leakage plugging as well as a preparation method and application of the microbial seal-healing capsule. Dry powder of bacterial spores is uniformly dispersed in water, a suitable substrate is selected according to the kinds of the bacterial spores, the substrate is added into a uniformly-dispersed mixed solution according to a certain ratio of the bacterial spores to the substrate and is uniformly stirred to be agglomerated, the agglomerated mixture is slowly added into a multifunctional granulator and is extruded, a cooling system is started, the temperature of the material is maintained, and the extruded strip-shaped substance is added into a rounder for rounding and is sieved and dried to obtain microparticles; and the microbial seal-healing capsule is prepared from the microparticles and a wall material by using a vacuum impregnation method or an interfacial polymerization method, the microbial seal-healingcapsule and a main material for air leakage plugging are mixed to be used, once concrete is cracked, the spores inside the material can be activated to normally metabolize, and calcium carbonate is continuously induced to be precipitated, so that the self-repair of cracks is realized.
Owner:SHANDONG UNIV OF SCI & TECH

Fingerprint cover plate module and manufacturing method thereof

The invention discloses a fingerprint cover plate module, and relates to the technical field of semiconductor packaging. The fingerprint cover plate module comprises grating glass and a fingerprint chip, wherein the grating glass comprises a glass cover plate, one side of the glass cover plate is provided with a grating layer, the other side of the glass cover plate is provided with a protection ring, the protection ring is internally coated with a glue layer, and the fingerprint chip is glued to the internal part of the protection ring through the glue layer; and the grating layer comprises a light-proof nonmetal grating layer. Meanwhile, the invention discloses a manufacturing method of the fingerprint cover plate module. The manufacturing method comprises the steps of A, manufacturing a whole piece of grating glass; B, setting a protection ring; C, gluing the fingerprint chip; D, laminating the fingerprint chip; and E, cutting. The fingerprint cover plate and the manufacturing method thereof enrich the color selection space of the grating layer and effectively improve matching between the fingerprint cover plate module and a mobile phone panel on the one hand, and increase the size of a fingerprint module on the other hand, thereby enabling a fingerprint recognition operation of a user to be more accurate and more sensitive, and effectively improving the user experience in use.
Owner:苏州科阳半导体有限公司

Communication lumped parameter circulator based on MEMS technology and manufacturing method thereof

The invention discloses a lumped parameter circulator for communication based on an MEMS technology and a manufacturing method of the lumped parameter circulator, and belongs to the technical field of microwave components, the lumped parameter circulator comprises a silicon main substrate, a silicon auxiliary substrate is arranged below the silicon main substrate, and at least two layers of polyimide films are arranged above the silicon main substrate; circuit patterns are manufactured on the upper surfaces and the lower surfaces of the main silicon substrate and the auxiliary silicon substrate, and the main silicon substrate and the auxiliary silicon substrate are interconnected in a metal via hole and bonding mode; each layer of polyimide film is also provided with a circuit pattern, and is interconnected with a circuit at the lower layer through a metalized through hole in the polyimide film; the lumped parameter microstrip circulator manufactured by using the MEMS process technology has the size as small as 3 * 3mm, has the advantages of mature process, high speed, low cost, high efficiency, good consistency and the like, is suitable for mass production, can effectively reduce the sizes of ferrite and devices, and lays a process foundation for smaller devices such as 2 * 2mm and 1 * 1mm.
Owner:SOUTHWEST INST OF APPLIED MAGNETICS

Novel internal single-action mechanism of drilling tool

InactiveCN103590771AAvoid damageAvoid Strength Adverse EffectsCore removalEngineeringScrew thread
The invention relates to a novel internal single-action mechanism of a drilling tool. The novel internal single-action mechanism comprises a shaft. A first connector, a bearing block, an upper bearing, a shaft sleeve, a lower bearing and a lock nut are sequentially connected to the peripheral surface of the shaft from top to bottom. The shaft sleeve is arranged in a second connector. One end of the second connector is in threaded connection with the bearing block. The other end of the second connector is in threaded connection with an inner tube. The lower bearing and the shaft section, below the lower bearing, of the shaft are both located in the inner tube. Oil grooves are evenly distributed in the inner wall of the shaft sleeve in the axial direction. The shaft section between the lower bearing and the lock nut is sleeved with a spring and a gasket. The inner tube is provided with a radial oil hole which is communicated with an inner cavity of the inner tube. A bearing is arranged at the bottom of the inner cavity. The lock nut is arranged in the bearing. A gap is formed between the gasket and the lock nut. The spring is in a compression state. Through the utilization of the novel single-action mechanism, single action of the drilling tool can be achieved, and meanwhile the shaft, the shaft sleeve and the bearings in the single-action mechanism can be effectively protected. The novel internal single-action mechanism is long in service life and stable in performance.
Owner:WUXI GEOTEC GEOLOGICAL EQUIP

Manufacturing method of magnesium alloy transmission box with ultrahigh corrosion resistance

ActiveCN104455349AAvoid the effects of intensitySolve the problem of insufficient anti-oxidation and corrosion resistanceAnodisationFoundry mouldsTectorial membraneMicro arc oxidation
The invention discloses a manufacturing method of a magnesium alloy transmission box with ultrahigh corrosion resistance. The manufacturing method comprises the following steps: performing foaming, forming a cluster structure, swabbing I, swabbing II, hardening, roasting, swabbing III, smelting and pouring, and micro-arc oxidation in sequence, and obtaining a casting of the magnesium alloy transmission box attached with a dense Al2O3 oxidation film on the surface layer. The manufacturing method disclosed by the invention has the following characteristics: during the formwork roasting process, the foamed plastic is burned up in advance to avoid the influence of high-temperature foam gasification to the quality of the casting during the pouring process, avoid the influence of carbon dust to the strength of the magnesium alloy, and ensure the purity of the magnesium alloy material; the nanometer powered aluminum dip-coated before pouring is molten and tightly attached to the surface of the casting at high temperature in the pouring process to form a complete aluminum protective film, and then form the dense Al2O3 oxidation film during the follow-up micro-arc oxidation process, so as to tightly coat the magnesium alloy, improve the oxidation resistance and the corrosion resistance of the magnesium alloy, and solve the problem that the oxidation resistance and the corrosion resistance of the magnesium alloy for the existing transmission box are insufficient.
Owner:山东蒙沃变速器有限公司

Forming method for rzeppa constant-velocity universal joint finish forge piece

The invention relates to a forming method for a rzeppa constant-velocity universal joint finish forge piece. The forming method comprises the following steps that 1) material breaking is performed; 2)primary shot blasting is performed; 3) heating is performed; 4) warm forging forming is performed; 5) temperature control cooling is performed; 6) secondary shot blasting is performed; 7) oil spraying is performed; 8) cold finishing is performed; 9) cleaning is performed; and 10) rust-proof treatment is performed. The head section and the tail section of a round bar material are removed, the twoends of the round bar material is prone to be extruded and deformed by a clamp during clamping and mounting, the head section and tail section after being extruded and deformed are removed so that thestrength influence on the finish forge piece can be effectively avoided; meanwhile, the removed head section and the removed tail section are recovered to be re-melted, so that further waste of a rawmaterial is avoided; staged temperature control cooling is performed on the formed workpiece, and the influence of rapid cooling on the overall strength of the workpiece is avoided; through shot blasting and oil spraying treatment, an oxidation layer on the working surface can be effectively eliminated, and meanwhile, further cooling and lubricating treatment can be realized.
Owner:中科重工设备制造(江苏)有限公司

Railway vehicle side beam detection and self-adaption correction device and method

PendingCN107552603AAdaptive correction implementationAchieve correctionMetal working apparatusPull forceJackscrew
The invention discloses a railway vehicle side beam detection and self-adaption correction device. The railway vehicle side beam detection and self-adaption correction device comprises a fundamental component (2). An upper jacking mechanism, a lower pulling mechanism and a control mechanism are arranged between the fundamental component (2) and a side beam (9). The upper jacking mechanism comprises a component cross beam (7) and a hydraulic jack (6). The lower pulling mechanism comprises a combined cross beam (4) and an adjustable pull rod (3). The control mechanism comprises a measurement ruler (5) and a control cabinet (10). The invention further discloses a railway vehicle side beam detection and self-adaption correction method. According to the railway vehicle side beam detection and self-adaption correction device, the hydraulic jack conducts jacking, and meanwhile, and the combined cross beam generates counteractive pull force, so that deformation correction of the side beam is realized; the measurement ruler measures the deformation degree of the side beam in real time and transmits a feedback signal to the control cabinet; jacking force of the hydraulic jack is controlled through the control cabinet to realize self-adaption correction of upwarp and downwarp deformation of the front end of the side beam.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Strength detection device for weather-resistant anti-corrosion plywood

The invention provides a strength detection device for a weather-resistant anti-corrosion plywood, and relates to the technical field of board strength detection. The strength detection device for the weather-resistant anti-corrosion plywood comprises a box body, a lower clamp is arranged on the inner bottom surface of the box body, a hydraulic cylinder is arranged on the upper inner wall of the box body, an upper clamp is arranged at the output end of the hydraulic cylinder, and each of the upper clamp and the lower clamp comprises a workbench, an adjusting cap, a clamping block and a connecting rod. The adjusting caps are rotationally connected to the left side face and the right side face of the workbench respectively, the lower portions of the connecting rods are in threaded connection with the adjusting caps and are in sliding connection with the workbench, and the ends of the upper sides of the connecting rods are fixedly connected with the clamping blocks. Cold water in a cold water tank or hot water in an electric hot water tank is sprayed out through a nozzle of a spray head plate, so that an I-shaped weather-resistant anti-corrosion plywood is in a wet and cold or humid and hot environment, and a relatively reliable strength value of the weather-resistant anti-corrosion plywood can be obtained after the I-shaped weather-resistant anti-corrosion plywood is tested; in the testing process, the state of deformation or bonding stripping can be obtained according to a high-speed camera.
Owner:漳州市庆瑞工贸有限公司

Chip type protecting element and batch manufacturing method thereof

ActiveCN103903929AImprove high voltage breaking capacityImprove breaking capacityFuse device manufactureEngineeringProtection layer
The invention discloses a chip type protecting element and a batch manufacturing method thereof. The element comprises an insulation base plate, a metal melt body, end electrodes and a protecting layer. A through hole is formed in the middle of the insulation base plate, and the opening direction of the through hole is perpendicular to the end electrodes. Grooves connected with the through hole are formed in the upper surface and the lower surface of the insulation base plate. The metal melt body penetrates in from a groove in one side of the insulation base plate, penetrates through the through hole in the opposite-angle direction and then penetrates out from a groove in the other side. The two ends of the metal melt body are fixed in the grooves through conducting resin and form electric connecting with the end electrodes at the two ends of the insulation base plate. The protecting layer is formed between the end electrodes. The design that the metal melt body forms a suspension melt wire structure by vertical opposite angle wire penetrating is used, the produced chip type protecting element has the advantages of being high in breaking capacity and high in reliability, two inherent defects of a traditional fuse structure are removed, structure design is simple, cost is low, and batch production can be achieved easily.
Owner:NANJING SART SCI & TECH DEV

A method for manufacturing a corrosion-resistant magnesium alloy transmission case

ActiveCN104455349BAvoid the effects of intensitySolve the problem of insufficient anti-oxidation and corrosion resistanceAnodisationFoundry mouldsTectorial membraneMicro arc oxidation
The invention discloses a manufacturing method of a magnesium alloy transmission box with ultrahigh corrosion resistance. The manufacturing method comprises the following steps: performing foaming, forming a cluster structure, swabbing I, swabbing II, hardening, roasting, swabbing III, smelting and pouring, and micro-arc oxidation in sequence, and obtaining a casting of the magnesium alloy transmission box attached with a dense Al2O3 oxidation film on the surface layer. The manufacturing method disclosed by the invention has the following characteristics: during the formwork roasting process, the foamed plastic is burned up in advance to avoid the influence of high-temperature foam gasification to the quality of the casting during the pouring process, avoid the influence of carbon dust to the strength of the magnesium alloy, and ensure the purity of the magnesium alloy material; the nanometer powered aluminum dip-coated before pouring is molten and tightly attached to the surface of the casting at high temperature in the pouring process to form a complete aluminum protective film, and then form the dense Al2O3 oxidation film during the follow-up micro-arc oxidation process, so as to tightly coat the magnesium alloy, improve the oxidation resistance and the corrosion resistance of the magnesium alloy, and solve the problem that the oxidation resistance and the corrosion resistance of the magnesium alloy for the existing transmission box are insufficient.
Owner:山东蒙沃变速器有限公司

Stair cavity mold production process

The invention discloses a stair cavity mold production process. The process comprises the steps of discharging fixed mold workblank and a movable mold workblank; rough machining, tempering, finish machining and obtaining a movable mold and a fixed mold; forming a main mold cavity in the middle of the fixed mold workblank, forming an auxiliary mold cavity in the middle of the movable mold workblank, and drilling multiple through holes in the auxiliary mold cavity; discharging multiple I columns, carrying out heat treatment on the I columns, and fixing the I columns after heat treatment in the through holes; performing discharging and rough machining to obtain a main mold core blank part, carrying out further heat treatment and finish machining on the main mold core blank part, and obtaininga main mold core; assembling and fixing the main mold core in a main mold cavity of the fixed mold; and assembling the fixed mold and the movable mold, and enabling the I columns to be in abut jointwith the main mold core. Through machining of the fixed mold, the movable mold, the main mold core and the I columns, the fixed mold, the movable mold, the main mold core and the I columns are high inmachining precision, after heat treatment of the main mold core and the I columns, hardness is uniform, forming and demolding effect is good, and the casting quality can be improved.
Owner:GUANGZHOU DIE & MOLD MFG

A horizontal open-hole well stimulation and completion string and its combined operation method

ActiveCN108222911BIncrease effective supportStable supportFluid removalDetonationThermodynamics
The invention discloses a horizontal open hole well production increasing well completion pipe column and a combined operation method. The horizontal open hole well production increasing well completion pipe column comprises a large drilling rod, a circulating sliding sleeve is connected to the large drilling rod, and the lower portion of the large drilling rod is connected with a punching tail pipe arranged on the exterior of the large drilling rod in a sleeving mode through a hydraulic tail pipe suspender. A small drilling rod located in the punching tail pipe is connected to the tail end ofthe large drilling rod, and the small drilling rod is sequentially connected with a single flow valve, a damping device, a pressure exploder, a delaying device, a perforation gun not loaded with bullets, a perforation and detonation fracturing combined operation perforation gun and a gun tail from top to bottom. According to the horizontal open hole well production increasing well completion pipecolumn and the combined operation method, combined operation of perforation and detonation fracturing of a horizontal open hole well and punching pipe well completion is achieved, the detonation fracturing technology application range is effectively expanded, the number of times of trip is decreased, the risks of downhole tool pressure impacting, drill clamping, various technological interferenceand the like are reduced, downhole operation safety is ensured, the combination of perforation and detonation fracturing of the large hole density, the large hole diameter and a certain phase angle is adopted, and the production increasing operation effect is improved.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Diversified design method of tibial T-shaped bone plate based on parametric technology

The invention discloses a parameterization technology based diversified design method for a T-shaped tibial connection plate. The method comprises the following steps: step 1, constructing the T-shaped tibial connection plate: drawing a boundary of the T-shaped tibial connection plate by utilizing a boundary line, and performing curved surface reconstruction on a region by constructing an internal constraint line; step 2, setting shape structure characteristics and parameters of the T-shaped tibial connection plate: defining characteristic points and characteristic lines on the reconstructed curved surface region to realize the setting of the characteristics and the related parameters; and step 3, performing diversified design on the T-shaped tibial connection plate: constructing a T-shaped tibial connection plate entity by utilizing a curved surface reconstructed in the step 1, and establishing a mapping relationship between a surface parameter and an entity thickness parameter, so that later fast editing and modification are facilitated for realizing diversified design. According to the method, the digitization, diversification and precision of tibial connection plate design can be realized through parameterization definition of the tibial connection plate; and the method has an important significance for improving the quality and efficiency of the tibial connection plate design.
Owner:HOHAI UNIV CHANGZHOU

Tubular pile with good sealing effect and core filling method

The invention provides a tubular pile with a good sealing effect and a core filling method. The tubular pile comprises a tubular pile body, wherein a core filling part area is arranged at the top of an inner cavity of the tubular pile body, a sand filling and grouting part area is arranged at the bottom of the inner cavity of the tubular pile body, the top end of the tubular pile body is in bolt connection with a pile top end blocking plate, the bottom end of the tubular pile body is in bolt connection with a pile bottom end blocking plate, and threaded grooves are formed in the peripheries ofthe pile top end blocking plate, the pile bottom end blocking plate and the inner cavity of the tubular pile body. According to the tubular pile with the good sealing effect and the core filling method, through the cooperation of a sealing gasket, sealing treatment can be carried out between the tubular pile body and the pile top end blocking plate and between the tubular pile body and the pile bottom end blocking plate; through the cooperation of a limiting groove, a fastening disc, a water-swelling pad and a fastening bolt, overall fixed sealing can be carried out between the tubular pile body, the sealing gasket, the pile top end blocking plate and the pile bottom end blocking plate; and through the cooperation of a stainless steel hoop, auxiliary reinforced sealing treatment can be carried out on the outer side of the joint position of the sealing gasket, the pile top end blocking plate and the pile bottom end blocking plate, so that the overall sealing performance of the joint position of the tubular pile is directly enhanced.
Owner:JIANGXI THERMAL POWER CONSTR CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products