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170 results about "Net shape" patented technology
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Sampling equipment for liquid chromatography
The utility model relates to the technical field of sampling equipment, in particular to liquid chromatogram sampling equipment which comprises a base and a three-dimensional moving module, a plurality of sample boxes arranged in a net shape are placed on the base, box covers are arranged on the sample boxes, a sampler is arranged on the three-dimensional moving module, and the three-dimensional moving module is connected with the base. The base is provided with a placing cavity for placing test tubes, and a cleaning unit, a drying unit and a dirt collecting unit which are positioned at the placing cavity; the sampler comprises a mounting seat mounted on the three-dimensional moving module, a sampling barrel and an electric cylinder are mounted on the mounting seat, one end of the sampling barrel is communicated with a sampling needle, a piston is mounted on a piston rod of the electric cylinder, and the piston is slidably embedded in the other end of the sampling barrel; the dirt collecting unit comprises a clamping base and a water guide plate, the clamping base is connected to the base through a horizontally-arranged spring, and a first guide groove is formed in the upper surface of the clamping base. The utility model has the beneficial effects that the confusion and disorder of sample solutions are avoided, and the sampling efficiency during multiple sampling is improved.
Owner:RELAIS (HANGZHOU) MEDICAL TECH CO LTD
Complex metal thin-wall component and additive and equal-material collaborative manufacturing method thereof
ActiveCN120696728AAdditive manufacturing apparatusIncreasing energy efficiencyProcess engineeringNet shape
The invention provides a complex metal thin-wall component and an additive and equal-material collaborative manufacturing method thereof. The method comprises the steps that firstly, according to the service performance requirement of the component, performance requirements of different areas are analyzed, filling analysis is conducted, and a near-net-shape prefabricated blank model is designed; then, a prefabricated blank is constructed in a metal additive manufacturing mode, and regional regulation and control of a microstructure are achieved by regulating and controlling technological parameters; after heat treatment, the preformed blank is loaded into a finish forging die, integral forging forming is completed under the high-temperature and high-pressure condition, and defect closing and structure homogenization are achieved; and finally, the forge piece is subjected to finishing and secondary heat treatment, and the mechanical property and the service reliability are optimized. The method has the advantages of design flexibility and forging densification of additive construction, has the characteristics of high blank making efficiency, high material utilization rate, controllable structure property, wide applicable material and process range and the like, and is particularly suitable for rapid and high-quality manufacturing of complex-configuration metal components with staggered ribs, uneven wall thickness and the like.
Owner:SHANGHAI JIAOTONG UNIV
Intelligent packaging and sealing device and packaging and sealing structure for caustic soda flakes
The utility model relates to the technical field of caustic soda product packaging, and discloses an intelligent packaging and sealing device and packaging and sealing structure for caustic soda flakes, and the sealing structure is in a net shape which is circularly and crossly distributed and is provided with at least two sealing points in any vertical direction; the device comprises a conveying belt and a heat sealing unit located above the conveying belt, the heat sealing unit comprises heat sealing wheels, the heat sealing wheels comprise the forward heat sealing wheel and the reverse heat sealing wheel which are sequentially distributed in the length direction of the conveying belt, and a plurality of heat sealing strips which are obliquely distributed are arranged on the circumferential faces of the heat sealing wheels; the inclination directions of heat sealing strips on the forward heat sealing wheel and the reverse heat sealing wheel are opposite, and the heat sealing wheels can be subjected to heat sealing under the action of the rotary driving mechanism and the heating mechanism to form a net-shaped sealing structure which is distributed in a circulating and crossed mode and provided with at least two sealing points in any vertical direction. By means of the packaging sealing structure, the problems that an existing packaging sealing structure is prone to leakage, and sealing is not coherent and incomplete due to the fact that a heat sealing strip of a long-strip-shaped structure is adopted for sealing can be solved.
Owner:CHONGQING BOZHANG MECHANO ELECTRONICS EQUIP
Composite powder metallurgy net near forming process device
The composite powder metallurgy net near forming process device comprises a base, the upper end of the base is fixedly connected with a machine body, the upper end of the machine body is fixedly connected with a material tank, the inner bottom of the machine body is fixedly connected with a mold main body, and the upper end of the mold main body is provided with a mold groove; a transverse plate is jointly and fixedly connected between the side wall of the mold body and the inner wall of the machine body, and the transverse plate and the upper end of the mold body are horizontal. The device is reasonable in structure, the electric push rod drives the discharging cover to slide along the transverse plate, powder diffusion is limited in cooperation with the baffles on the two sides, uniform-speed and uniform spreading of powder in a die cavity is achieved, local accumulation is avoided, the consistency of the density of workpieces is ensured, in the material pushing process, impact blocks make repeated contact with protruding blocks of the side baffles, periodic lateral impact is generated under the action of springs, and the powder is evenly sprayed out. And in cooperation with mold cavity constraint of the mold groove, the binding force between powder particles is improved, gaps between materials are reduced, and workpiece defects are reduced.
Owner:XIAN XIANDU INTELLIGENT MANUFACTURING TECHNOLOGY CO LTD
Imaging device comprising net shape wiring
ActiveUS12581755B2Semiconductor/solid-state device detailsSolid-state devicesPhotoelectric conversionEngineering physics
A solid-state imaging device with high productivity and improved dynamic range is provided. In the imaging device including a photoelectric conversion element having an i-type semiconductor layer, functional elements, and a wiring, an area where the functional elements and the wiring overlap with the i-type semiconductor in a plane view is preferably less than or equal to 35%, further preferably less than or equal to 15%, and still further preferably less than or equal to 10% of the area of the i-type semiconductor in a plane view. Plural photoelectric conversion elements are provided in the same semiconductor layer, whereby a process for separating the respective photoelectric conversion elements can be reduced. The respective i-type semiconductor layers in the plural photoelectric conversion elements are separated by a p-type semiconductor layer or an n-type semiconductor layer.
Owner:SEMICON ENERGY LAB CO LTD
A manufacturing method of a copper alloy crystallized wheel near-net shape
The present application belongs to the field of copper alloy crystallization wheel preparation, and provides a kind of copper alloy crystallization wheel near net shape manufacturing method, comprising: copper alloy crystallization wheel selects chromium zirconium copper material, each metal material of batching is melted, vacuum centrifugal casting is carried out, and the annular casting blank of crystallization wheel is obtained;The first mechanical processing is carried out to the annular casting blank of crystallization wheel, and the shrinkage and riser of inner ring surface are removed;The annular casting blank of crystallization wheel after mechanical processing is sequentially subjected to hot ring rolling, solid solution heat treatment, cold ring rolling, aging heat treatment, secondary machining, and the present application has the advantages of high material yield, high production efficiency, low production cost, good internal and external performance consistency and high product performance.
Owner:YANTAI WANLONG VACUUM METALLURGY
Net-shape undercut finocyl grain casting mandrel and a method thereof
A mandrel assembly (100) for net-shape casting of an undercut finocyl grain (133) with aft-end counterbore (140) in a solid propellant rocket case (101) comprising a core (105) capable of forming central cylindrical cavities in the grain and a plurality of fins (106) capable of forming a plurality of forward-swept longitudinal cavities circular patterned around the core. The method of assembling and disassembling the mandrel (100) comprises the acts of hanging the plurality of fins (106) from the core (105) using a fin hanger (107) with a plurality of long and flexible fin cables (108), hoisting the mandrel assembly (100) over the case aft-end aperture (104), bundling the fins (106) and lowering the mandrel assembly (100) inside the case (101), fastening of all the fins (106) to the core (105) and the core (105) to the case (101), inverting the total assembly, casting propellant slurry through case fore-end aperture (103), curing the propellant, inverting the total assembly back, removing core (105) first, assembling fin decoring tool (134) and removing fins (106) one by one, to obtain net-shape cast undercut finocyl grain (133) with aft-end counterbore (140) without employing squeeze casting or propellant machining.
Owner:DIRECTOR GENERAL DEFENCE RES & DEV ORG
Method for near net shape manufacturing high strength titanium components
A method is disclosed herein. The method includes mixing (302) a plurality of metal powders to form a blended powder, pressing (304) the blended powder to form a porous sheet of compacted powder, cutting (306) the porous sheet to form a plurality of cross sections, performing (310) a diffusion bonding process on the plurality of cross sections to bond the plurality of cross sections together forming a near net shape preform, the near net shape preform being denser than the porous sheet, and (312) consolidating the near net shape preform to form a full density near net shape component.
Owner:GOODRICH CORP
Ceramic part manufacturing method
The invention relates to the technical field of ceramic material processing, and particularly discloses a ceramic part manufacturing method, which mainly utilizes double-path coupling of an ultrasonic and warm-pressing formed ceramic sheet and an electric shock impregnation woven base material: firstly, multi-stage pressurization and co-vibration ultrasonic preparation of a thin layer are carried out, then 10-50kV corona coarsening fiber and capillary slurry dipping are carried out, and then drying is carried out; the method comprises the following steps: alternately bonding a plurality of layers of sheets and an impregnated base material, sintering at 1500-2000 DEG C for the first time, immediately performing low-temperature hot pressing to repair defects, and finally performing ultrasonic-assisted drilling and cutting to obtain a finished product, thereby realizing the manufacturing of thin-wall, high-toughness and near-net-shape ceramic parts.
Owner:JIUYI PRECISION CERAMICS (HAINING) CO LTD
Biodegradable Zn alloy and preparation method thereof
The invention relates to a biodegradable Zn alloy and a preparation method thereof. The preparation method comprises the following steps that (1) a Zn-Cu-Sr ternary alloy melt is prepared, the mass ratio of Cu ranges from 0.5 wt% to 2.5 wt%, and the mass ratio of Sr is smaller than or equal to 0.5 wt%; and 2) pouring the ternary alloy melt at the set temperature in the step 1) onto a base plate, and feeding the base plate into a casting and rolling machine for casting and rolling to obtain the target biodegradable Zn alloy. The biomedical degradable Zn-Cu-Sr ternary alloy is prepared by adopting a liquid casting and rolling technology, alpha-Zn and a second phase CuZn4 and SrZn13 can be remarkably refined by adopting the liquid casting and rolling technology, meanwhile, the mechanical property is remarkably improved, and the mechanical property requirement of a degradable implant can be met through one-time forming. Compared with a traditional method that rolling or extruding is conducted after casting, the technology is simple, the advantages of the casting technology and the rolling technology are integrated, the beneficial effects of being comprehensive, efficient, energy-saving, short in process, low in production cost and capable of achieving near-net-shape forming are achieved, and later-period tedious technologies are reduced.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY
Multiplex PCR (Polymerase Chain Reaction) detection kit
The utility model relates to a multiplex PCR (Polymerase Chain Reaction) detection kit, which comprises a kit, a reagent groove arranged on the inner side of the kit and a kit cover hinged on the outer side of the kit, a connecting part is arranged on the inner side of the kit cover, a rubber layer is fixed on the outer side of the connecting part in a buckling way, a limiting part is fixedly connected on the outer side of the rubber layer, and the limiting part is arranged in a net shape. According to the kit, the elastic layer is matched with the linear grooves and the expansion grooves, so that when the kit cover is closed to seal the kit, the elastic layer is split into a plurality of small blocks which are arranged in a rectangular shape under the opening of the linear grooves and the expansion grooves to wrap reagents placed in the kit, the limiting and reinforcing effects are achieved, and the reagents are effectively prevented from shaking in the kit; and the stability of the kit for storing and placing the reagents is improved.
Owner:WUHAN HAIXI BIOTECHNOLOGY CO LTD
Batch cleaning device for clamp sticking substances
The utility model discloses a batch cleaning device for clamp sticking substances, which comprises an upper clamp, an assembly plate and a chip settling bin, the assembly plate is a group of cross beams and longitudinal beams which are arranged in a net shape, so that the weight is reduced, and the cross beams and the longitudinal beams are movably connected with each other by taking assembly columns as vertical shafts through through holes at intersections, so that the assembly plate is in a rectangular shape in an unfolded state; shaping clamping strips are arranged at the bottoms of the longitudinal beams on the two sides of the assembly plate, the tops of the upper clamps are rectangular, and when the assembly plate is rhombic, the upper clamps are distributed in a rhombic staggered and attached mode along with the assembly plate, so that sticking substances can be eradicated in batches, and the efficiency is improved; an opening in the top of the chip settling bin is matched with a rectangular assembly plate, positioning clamping strips matched with the shaping clamping strips are arranged on the two sides of the opening, so that the assembly plate is fixed to the opening in a rectangular shape, the upper clamps are arranged at intervals in a rectangular array, the sticking substances are further cleaned, and the chip settling bin can collect chips of the sticking substances and can also play a role in heat preservation.
Owner:CHINA BUILDING MATERIAL CERTIFICATION & INSPECTION GRP ZHEJIANG CO LTD
Road surface molding auxiliary member, and road surface molding method
To provide a road surface molding auxiliary member capable of molding a road surface in which a drainage channel is formed and cracking is suppressed.SOLUTION: A road surface molding auxiliary member 1 includes a body part 2 in which a plurality of water storage members 22, each having a pair of wall parts 21 facing each other, extend in a net shape and which is placed on a placement surface, and a lid part 3 arranged on an upper side of the pair of wall parts 21 to at least partially close an upper side of a water storage space B formed between the pair of wall parts 21. When a road surface molding material driven into a unit space A surrounded by the plurality of water storage members 22 is hardened and the lid part 3 is opened, a road surface in which a drainage channel to the placement surface is formed by the plurality of water storage spaces B communicating with each other is molded.SELECTED DRAWING: Figure 2
Owner:PUMP MAN CO LTD
Moisture-proof partition structure in wood door filling layer
ActiveCN224396334UImprove stress resistanceSimple processFireproof doorsSynthetic resin layered productsStructural engineeringHoneycomb like
The utility model relates to wood door moistureproof technical field especially wood door filling layer inner moistureproof partition structure, including wood door main part, veneer and handle, the veneer fixed connection is in the outer wall front end of wood door main part, the inside of wood door main part is equipped with diamond net shape filling structure, the inside of wood door main part sets up corner reinforcing structure. This wood door filling layer inner moistureproof partition structure, diamond frame adopts aluminium alloy sheet to form by stamping, drawing, bonding, because diamond frame can directly by rectangular frame extrusion deformation obtains, so production and manufacture and subsequent paste will be more simple than honeycomb structure technology, vertical compression strip and diamond frame are alternately arranged, and the protruding of compression strip side wall is used to balance the force improvement compression resistance of protruding strip at the position of diamond frame both ends narrow, such that the structure that diamond frame, compression strip and protruding strip constitute can realize simple technology also let the compression resistance of hollow place in the middle be improved.
Owner:HUBEI JIULIAN DOOR & WINDOW TECH CO LTD
Energy-saving drying equipment for jujubes
InactiveCN119655462Areduce consumptionReduced footprintFood processingLoading/unloadingTowerControl theory
The invention discloses energy-saving type drying equipment for jujubes, and relates to the technical field of jujube drying, the energy-saving type drying equipment for jujubes comprises a shell, a spiral tower type conveyor and an air heater, the shell is provided with a feeding port and a discharging port, the spiral tower type conveyor is installed in the shell, the spiral tower type conveyor is provided with a conveying belt, and the conveying belt is installed in the shell. The uppermost end of the conveying belt is located below the feeding port, the lowermost end of the conveying belt is located at the discharging port, the conveying belt is in a net shape, the inner side and the outer side of the conveying belt are each provided with a protection plate, the conveying belt moves from the low position to the high position, and the air heater is located in the shell. And an air outlet of the air heater is positioned below the conveying belt. The equipment has the effects of reducing the energy consumption required by the whole equipment and reducing the occupied area of the equipment.
Owner:MACHENG JIUZHOU CHINESE MEDICINE DEV CO LTD
A release film for a polarizing plate
The utility model discloses a kind of release film for polarizing sheet, comprising: substrate layer, its one surface is provided with release layer;Release layer and substrate layer between are provided with repair layer, repair layer and release layer concave-convex cooperation, the other surface of substrate layer is provided with tear-aiding layer, tear-aiding layer is connected with substrate layer by first adhesive layer of point or net shape.The above-mentioned release film structure for polarizing sheet is reasonable, through the repair layer of concave-convex cooperation with release layer, deep or shallow scratch can be repaired in place;Through the tear-aiding layer of first adhesive layer of point or net shape and substrate layer connection, release film is adhered after cutting with product, there is no bonding between tear-aiding layer and substrate layer at cutting edge, and then tear-aiding layer is torn up by pushing, which helps to peel off release film adhered after product.
Owner:JIANGYIN TONGLI OPTOELECTRONICS TECH
Manipulator protection surrounding net
Owner:SUZHOU YUANEN PRECISION MASCH EQUIP CO LTD
Novel building high-strength anti-cracking silicon crystal net
A novel building high-strength anti-cracking silicon crystal net comprises two layers of main body nets which are arranged in a stacked mode, and a reinforcing net is arranged between the two main body nets. The main body net comprises a plurality of longitudinal belts and transverse belts which are arranged in a criss-cross manner, and cushion blocks are arranged at intersections of the longitudinal belts and the transverse belts; the reinforcing net comprises a plurality of regular hexagon cells, and the cells are connected through connecting ropes to form an array and are in a honeycomb net shape. The two layers of main body nets are arranged to form an overall frame, so that the overall supporting strength and flatness are high, and the cushion blocks at the intersections of the longitudinal belts and the transverse belts can play a role in increasing friction force and avoiding sliding. Meanwhile, the honeycomb net-shaped reinforcing net is arranged between the two main body nets, and the honeycomb net-shaped structure can dispersedly bear external force from all directions, so that the honeycomb structure has high compression resistance and pulling resistance.
Owner:SHANDONG YOUYOU NEW MATERIALS TECHNOLOGY CO LTD
Net shape processing of permanent magnet by field assisted sintering
Magnets having various portions of different densities and resistivities are disclosed. In a refinement, the various portions may have the same composition but different physical structures. Unique dies may be used to during processing, such as during sintering to manufacture the magnets. The die may include conductive and non-conductive surfaces that contact the green magnetic powder mixture during sintering such that the electrical current applied to the magnetic powder mixture is managed by the conductive and non-conductive surfaces to provide unique and complex magnets. Methods of manufacturing the magnets with the dies such as field assisted sintering, i.e., spark plasma sintering, are also disclosed.
Owner:FORD GLOBAL TECH LLC
Heavy weight structure for mooring and positioning in ocean engineering construction and mounting method
The invention relates to a heavy weight structure for mooring and positioning in ocean engineering construction and an installation method, and relates to the technical field of electrochemical protection, the heavy weight structure comprises a plurality of heavy weights and connecting structures, and the plurality of heavy weights are detachably connected into a net shape through the connecting structures; the heavy weight comprises a concrete block, a steel reinforcement framework and a lifting ring; a groove is formed in the bottom of the concrete block, and the top of the side wall of the groove inclines or bends towards the center of the top surface of the groove; the steel reinforcement framework is located in the concrete block; the hanging ring is fixed to the top of the concrete block. The gravity center and water flow resistance of the weight structure are reduced, so that the landing posture and position of the weight structure are not prone to being affected by the seawater flowing effect, and the final landing posture and position of the weight structure are assisted to meet the design requirement.
Owner:SUNRUI MARINE ENVIRONMENT ENG
Fishing rod with exhaust and drainage functions
The utility model relates to the technical field of fishing tackle manufacturing, in particular to a fishing rod with exhaust and drainage functions, which is reasonable in structure, simple and convenient to assemble and capable of realizing smooth exhaust of water and gas between rod sections without affecting the strength of the fishing rod, and is characterized in that a flow guide mechanism is arranged on the outer wall of the front end of each rod section; the flow guide mechanism is a wavy flow guide groove extending in the length direction of the rod section, and more than two wavy flow guide grooves are formed in the flow guide mechanism and interwoven to form a net shape.
Owner:WEIHAI BARFILON FISHING TACKLE
Composite preparation process of high-strength aluminum alloy special-shaped ring forge piece
The invention discloses a composite preparation process of a high-strength aluminum alloy special-shaped ring forge piece, and belongs to the technical field of metal plastic processing and heat treatment. The technology sequentially comprises the steps of multidirectional isothermal forging cogging, intermediate solution treatment, special-shaped preformed blank near-net forming, pulse current auxiliary special-shaped ring rolling and deformation heat treatment. Intermediate solution treatment is introduced to interrupt tissue inheritance, and a uniform fine-grain matrix is obtained; by means of the electroplastic effect of pulse current, efficient near-net forming of the special-shaped section is achieved at the low temperature, and grains are further refined; and finally, through combination of pre-cooling deformation and aging deformation heat treatment, synergistic improvement of strength and toughness is achieved. According to the method, the technical problems that in the preparation process of the high-strength aluminum alloy special-shaped ring forge piece, the structure is uneven, the performance anisotropy is high, special-shaped forming is difficult, and the material utilization rate is low are effectively solved, and a near-net-shape product with excellent comprehensive performance and high size precision can be stably obtained.
Owner:JIANGSU ZHUHONG HEAVY IND CO LTD
Offshore photovoltaic bolt-sphere net rack diagonal bracing structure
The utility model discloses an inclined strut structure of an offshore photovoltaic bolt-sphere net rack. The inclined strut structure comprises the bolt-sphere net rack, four steel pipe piles and four groups of pile top connecting assemblies, the upper ends of the four steel pipe piles are each connected with one pile top connecting assembly, and the upper ends of the four pile top connecting assemblies are connected with the bolt-sphere net rack. The bolt-sphere net rack comprises a plurality of upper chords, a plurality of lower chords, a plurality of web members, a plurality of upper bolt spheres and a plurality of lower bolt spheres; the plurality of upper chords are connected into a square net shape through the plurality of upper bolt balls, the plurality of lower chords are connected into a square net shape through the plurality of lower bolt balls, the plurality of web members are obliquely arranged between two square nets, and two ends of each web member are respectively connected with the upper bolt balls and the lower bolt balls. The utility model aims to overcome the defects in the prior art and provides the inclined strut structure of the offshore photovoltaic bolt-sphere net rack, and the inclined strut structure has the advantages of high assembly efficiency and convenience in construction.
Owner:中交海峰风电发展股份有限公司
Rigid frame protection structure for crossing existing underground building
The utility model provides a rigid frame protection structure for crossing an existing underground building, and relates to the technical field of rigid frame protection. The structure is characterized in that a rigid frame is arranged at the top end of a bearing platform structure; each sleeve structure is arranged in the top of the bearing platform structure, each sleeve structure is vertically arranged in the height direction of the rigid frame, a plurality of connecting steel bars are arranged in each sleeve structure, one end of each connecting steel bar is connected with the interior of one sleeve structure, and the other end of each connecting steel bar is connected with the interior of the other sleeve structure. The other ends of the connecting steel bars extend to the bottom of the rigid frame and the bottom of the bearing platform structure correspondingly, every two adjacent sleeve structures are connected through the positioning steel bars, the multiple sleeve structures and the positioning steel bars form a net shape, the top of each sleeve structure is provided with a grouting pipe, and the grouting pipes are used for filling the sleeve structures with grouting materials. The structure solves the problem that under the condition of crossing a complex underground building, the bearing capacity of a culvert in the prior art is low, and consequently the pipeline migration and modification condition cannot be met.
Owner:CHINA RAILWAY ENG CONSULTING GRP CO LTD
Cross-scale near-net shape manufacturing method for core component of conductor equipment
PendingCN122007447AImprove quality and efficiencyIncrease productivityGeometric CADAdditive manufacturing apparatusElectrical conductorDynamical optimization
The invention discloses a conductor equipment core component cross-scale near-net shape manufacturing method, and relates to the technical field of additive manufacturing, and the conductor equipment core component cross-scale near-net shape manufacturing method comprises the following steps: S1, in a forming process, synchronously executing macro-scale and micro-scale monitoring, and associating two types of data through coordinate calibration to obtain cross-scale associated data; and S2, based on the cross-scale associated data, performing fusion analysis with real-time process and environmental parameters, and outputting a process parameter adjustment direction according to conductor exclusive analysis logic. According to the cross-scale near-net-shape manufacturing method for the core component of the conductor equipment, the overall manufacturing quality and production efficiency of the core component of the conductor equipment can be remarkably improved, the deviation of the size and the organization structure is recognized in real time in the forming process through synchronous monitoring and data fusion of the macroscale and the microscale, and the manufacturing quality of the core component of the conductor equipment is improved. And intelligent analysis is carried out based on the characteristics of the conductor material, and dynamic optimization and closed-loop regulation and control of process parameters are realized.
Owner:NANTONG JIASHENG PRECISION MANUFACTURING CO LTD
A spatial layout method of regional CORS reference stations
ActiveCN115728802BExcellent mesh coefficientScientific and reasonable layoutHigh availabilityHydrology
The present application relates to a kind of regional CORS reference station space layout method, comprising the following steps: (1) reference station overall scale measurement;(2) core station and ordinary station scale measurement;(3) user group activity analysis;(4) based on latitude and longitude grid uniform layout;(5) according to existing CORS site distribution adjustment;(6) regional topography and land class distribution condition analysis, reference station layout adjustment is carried out;(7) infrastructure and key application layout analysis, reference station layout adjustment is carried out;(8) average station spacing statistics and reference station net shape coefficient calculation;(9) whether reference station net shape coefficient meets the predetermined index requirement, yes, then complete layout;No, then return to step (6), repeat step (6) to (8).The site layout of the present application is more scientific and reasonable, can realize the efficient intensive use of CORS reference station resources, meet the high availability, high stability requirement of whole regional space service.
Owner:HUNAN INST OF SURVEYING & MAPPING TECH
Buckle type steel-plastic grating hydraulic press-fitting equipment and press-fitting process
The invention provides buckle type steel-plastic grille hydraulic press-fitting equipment and a press-fitting process, and relates to the technical field of steel-plastic grils.The buckle type steel-plastic grille hydraulic press-fitting equipment comprises a bottom plate, a conveying piece is arranged on the bottom plate, grid strips arranged in a net shape are arranged on the conveying piece, and a plurality of lower buckle pieces are further installed on the conveying piece; the cross positions of the grid strips arranged in a net shape are arranged on the lower buckling pieces, the cross positions of the grid strips are further provided with upper buckling pieces, the bottom plate is provided with a constant hydraulic assembly, the constant hydraulic assembly comprises a lower pressing plate, the lower pressing plate is provided with a plurality of pressing assemblies, and each pressing assembly comprises a pressing block. The pressing block is used for pressing the upper buckle piece and the lower buckle piece. By arranging the constant hydraulic assembly, stable and accurately-controlled pressure can be provided, the pressing block is driven to apply uniform and constant pressing force to the upper buckling piece and the lower buckling piece, the problems of insufficient buckling and stress deviation caused by uneven manual force application are effectively solved, and the connection strength of all nodes is kept uniform.
Owner:RUIHUI NEW MATERIALS (JIANGSU) CO LTD
High-temperature glass cloth adhesive tape
The utility model provides a high-temperature glass cloth adhesive tape, which belongs to the field of environment detection, and comprises a winding paper tube, glass cloth adhesive tape; the glass cloth adhesive tape is wound on the winding paper tube, the glass cloth adhesive tape comprises a non-stick layer, glass cloth, a reinforcing layer and an adhesive layer, the non-stick layer is arranged on the glass cloth, the glass cloth and the reinforcing layer are woven together in a staggered manner, the adhesive layer is arranged on the glass cloth and the reinforcing layer, the nano anti-sticking coating is sprayed on the glass cloth, and the nano anti-sticking coating is coated on the glass cloth. The glass cloth and the reinforcing layer are woven together, the reinforcing layer is made of basalt fibers, the basalt fibers are arranged in a net shape, and the adhesive layer is sprayed or coated on the glass cloth and the reinforcing layer which are woven together. According to the glass cloth adhesive tape, the reinforcing layer is in the net shape and provided with the notches, when the glass cloth adhesive tape is cut off or manually torn off, the notches serve as breakthrough openings so that the glass cloth adhesive tape can be torn off conveniently, and due to the arrangement of the reinforcing layer, the glass cloth adhesive tape is not prone to deformation and damage in the length direction.
Owner:YIXIN ADHESIVE TAPE (SHANGHAI) CO LTD
Net-shaped protective structure for protecting ceramic pot
The utility model provides a meshy protective structure for protecting ceramic pot, including pot body and protective net, protective net is formed by the crossing weaving of reinforcing steel bar, the lower end face of pot body and protective net upper end face attach, protective net upper end face is equipped with first fixed ring, the outer wall of pot body is equipped with second fixed ring, protective net upper end face is equipped with second fixed ring, protective net upper end face is equipped with second fixed ring, protective net upper end face is equipped with second fixed ring, protective net upper end face is equipped with second fixed ring. The second fixing ring is arranged on the upper end face of the first fixing ring, a plurality of net ribs are arranged on the lower end face of the pot body, and the net ribs are crisscrossed to form a net shape, so that the problem that the thin-wall ceramic pot for tea leaf fixation is directly contacted with a fire source, so that the ceramic pot is burst due to over-high temperature is solved; and when sharp objects such as firewood are in contact with the high-temperature ceramic pot, the pot body is easily damaged.
Owner:CHAOZHOU CHANGLONG PORCELAIN IND CO LTD
Metal net stretching forming machine
The utility model relates to the technical field of metal net processing, and provides a metal net stretching forming machine which comprises a base, an inverted-U-shaped frame is fixedly installed on the top of the base, a forming lower die is fixedly installed on the top of the base, and an adjusting assembly is arranged on the inverted-U-shaped frame. A hydraulic cylinder is started to drive a connecting cross rod to move up and down so as to punch a metal plate, meanwhile, a driving motor is started to drive a transmission rod to rotate, the transmission rod drives an inserting rod to rotate circumferentially, and the inserting rod pushes the connecting cross rod on one side of a connecting vertical rod to reciprocate through cooperation of a penetrating groove while rotating circumferentially. When the size of the net shape needs to be changed, an electric push rod is started to drive an L-shaped supporting vertical plate to move to the needed position and then stop, at the moment, the reciprocating movement distance of a connecting transverse rod is changed, the specification of the formed net shape of the metal plate is changed, and the applicability is high.
Owner:HEBEI ZHUOFENG ARCHITECTURAL DESIGN CO LTD