Separation and purification method for phytine

The invention relates to a separation and purification method for phytine, which specially comprises the following steps: (1) sedimentation processing; (2) resin adsorption; (3) desorption elution; (4) neutralization and precipitation; and (5) sheet frame filtering. According to the invention, the insoluble protein content of corn water is greatly reduced, the problem the hybridization column is blocked by corn water is completely solved, the protein content of phytine is reduced, and the quality and yield of phytine are further improved. And through the adoption of a novel adsorption resin, the yield of products is significantly improved.

Transfusion system with alarm device

The transfusion device with alarm unit as one medicine equipment includes liquid inlet pipe, buffering funnel and liquid outlet pipe, and features that there are iron float set inside the buffering funnel, connecting board outside the lower part of the funnel, magnetic moving touch plate matching the connecting board and corresponding contact. The transfusion device has smart structure, and has alarm circuit turned on via the mutually attracted iron float and magnetic moving touch plate to realize alarming.

A hydrolysis reactor that is used for luxuriant and rich with fragrance spit of fland in maize source to hydrolysis

The utility model provides a hydrolysis reactor that is used for luxuriant and rich with fragrance spit of fland in maize source to hydrolysis belongs to maize deep processing inositol field, the reactor comprises a kettle, the upper cover, the low head, the automatic temperature -sensing valve of steam, feeding automatic control valve, ejection of compact automatic valve, the self emptying valve, pressure sensor, level sensor, a weighing sensor and a temperature sensor, the feed inlet, the discharge gate, the agitator, the manhole, the functions of a safety valve, lateral wall of the kettle body is the double sides structure, reach the not only corrosion -resistant but also stand wear and tear effect of hydrolysis reactor, the stability of the security of production run with is improved, expand hydrolysis reactor's volume to 20m3 the first time in the inositol trade, equipment quantity has greatly been reduced, the utility model provides a whole hydrolytic process of hydrolysis reactor ...

Method for ultrasonically extracting active ingredients of astragalus membranaceus-safflower medicine pair by using natural deep-eutectic solvent

The invention provides a method for ultrasonically extracting active ingredients of a medicinal pair of radix astragali and flos carthami by using a natural deep-eutectic solvent. According to the method, the contents of nine effective components in the astragalus membranaceus and safflower medicine pair serve as evaluation indexes, weights are given through an entropy weight method, a comprehensive score is calculated, response surface design and genetic neural network optimization are applied, and the method for ultrasonically extracting the effective components of the astragalus membranaceus and safflower medicine pair through the natural deep-eutectic solvent is obtained. A pharmacokinetic research result of hydroxysafflor yellow A, syringin, calycosin-7-glucoside, formononin and calycosin-7-glucoside in the deep-eutectic solvent extract in a rat body by adopting an established UPLC-MS/MS (Ultra Performance Liquid Chromatography-Mass Spectrometry/Mass Spectrometry) method shows that ...

Wireless vehicle-mounted gas cylinder inflation monitoring and managing system

The utility model discloses a wireless vehicle-mounted gas cylinder inflation monitoring and managing system. The system is characterized by comprising an electronic label, a handheld machine and a controller, wherein the electronic label is firmly attached to the surface of a gas cylinder and is a unique identification of the gas cylinder and a carrier of basic information, and built-in information can be conveniently recognized and read; the handheld machine is an electronic label writing and reading device, and after the information of the label is read by the electronic label writing and reading device, the information is transmitted to the controller; the controller is connected with a computer network through a RJ45 port and is connected with a wireless AP module to in communication with the handheld machine, and the controller is mainly used for controlling a gas dispenser. The system has the advantages that the technology of the internet of things, the computer technology, the micro-electronics ...

Novel mosquito net

The invention discloses a novel mosquito net, which comprises upper and lower sheets 1 and 2, at least four telescopic brackets 3 and a mosquito net 4. The edges of upper and lower four sides of the mosquito net are sewn with single edges of the upper and lower sheets respectively; four corners of the edges of the upper sheet are correspondingly fixed at the upper ends of the telescopic brackets respectively; when the telescopic brackets shrink to minimum, the upper and lower sheets are superposed, the lower sheet is paved on the bed surface, and only the telescopic brackets are fixed to the four corners of a bed so as to finish assembly; and during use, only the telescopic brackets need to be extended. The novel mosquito net is simple and convenient to operate.

Electronic transaction payment system and method

The invention discloses an electronic transaction payment system and method. The electronic transaction payment system comprises a seller terminal, a consumer terminal, a payment transaction system and a capital terminal. According to the payment method, when the electronic transaction payment system is in use, a consumer only needs to select commodities needed by himself and directly scans the selected commodities through an intelligent information device carried by himself on a cashier desk, payment is directly finished after scanning, after receiving a payment return receipt, a seller only needs to compare the return receipt with the commodities purchased by the consumer, payment speed is increased, and the consumer can pay for the commodities while purchasing the commodities and then directly leave from an exit after account checking. The electronic transaction payment system is very convenient to use, the phenomenon of queuing for payment is avoided, precious time is saved for the ...

Ternary cyclobutane derivative containing beta-amino acid as well as synthesis method and application thereof

The invention relates to a ternary cyclobutane derivative containing beta-amino acid and a chemical synthesis method thereof. Cyclopropyl diazo compound, benzyl alcohol and imine are taken as raw materials, a 4A molecular sieve is taken as water absorbent, chirality BINOL phosphoric acid and rhodium acetate are taken as co-catalyst, organic solvent is taken as solvent, and the product is obtained through further reaction. The synthesis method disclosed by the invention has the advantages of high atom economy and high selectivity, besides the reaction condition is mild, and the operation is safe and simple. The prepared ternary cyclobutane derivative containing beta-amino acid disclosed by the invention is important chemical and medical intermediate, has bioactivity, and is applicable to preparation of antitumour drugs.

Lofting method

The invention belongs to the technical field of ship construction, and discloses a lofting method which mainly comprises the following steps: establishing a side projection view of a hyperbolic bevel plate, and projecting a plurality of lower intersection points and a plurality of upper intersection points onto the side projection view; drawing a plurality of lofting lines of the lower bevel ribs; projecting the plurality of lower intersection points to a lofting line of the lower bevel rib to form lofting points of the plurality of lower intersection points, and sequentially connecting the lofting points of the plurality of lower intersection points to form a lower bevel lofting curve; projecting the plurality of upper intersection points to a lofting line of the lower bevel rib to form projection points of the plurality of upper intersection points; generating a lofting point of the upper intersection point corresponding to the projection point of the upper intersection point through ...

A contain inositol dust recovery device for inositol production screening process

The utility model provides a contain inositol dust recovery device for inositol production screening process, belongs to the corn processing technology field, including dust absorption dustcoat, connecting line I, cyclone, connecting line II, frequency conversion fan, sack cleaner, particulate matter concentration monitoring devices and control box, the dust absorption dustcoat is the two -layer equation hull design, is provided with sound absorbing material between the two -layer casing, I one end of dust absorption dustcoat upper portion and connecting line intercommunication, the connectingline I other end and cyclone's air intake chamber UNICOM, II intercommunications of connecting line are passed through with the air inlet of sack cleaner in cyclone's gas outlet, the frequency conversion fan sets up on connecting line II, particulate matter concentration monitoring devices sets up on the dust absorption dustcoat, the control box includes box, controller and converter, wherein thecontroller ...

Low-noise stator core stamping sheet

The invention relates to a low noise stator core lamination and belongs to the field of manufacturing technology of matching parts used by a motor. The low noise stator core lamination is mainly composed of a stator core lamination (3) and a virtual groove which is opened on a pole piece at the bottom of the stator core lamination (3); 1-3 virtual grooves are opened according to the different number of the motor. The lamination has reasonable design and simple structure; the virtual grooves are added on the pole piece of the stator core to lead the frequency of slot ripples to be higher and the amplitude to be lower by taking steps on the inner parts of the motor, thus lowering the noise on the whole, improving the running noise of the motor effectively and improving the product quality.

Low-noise alternating current (AC) motor

The invention relates to a low-noise alternating current (AC) motor which belongs to the technical field of the manufacturing of motors. The low-noise motor mainly comprises a motor shell (6), a front end cover (16) and a rear end cover (10) which are arranged at the both ends of the motor shell (6) and internally provided with a bearing (2), a rotor core (11) which is provided with a transmission shaft (5) and arranged in the motor shell (6), a plastic sealing stator (17) which consists of a stator core (7) and a winding (12) and is fixed at the inner wall of the motor shell (6), wherein a V-shaped chute(14) is arranged on the circle surface of the rotor core (11) ; the stator core (7) is formed by piling up stator core laminations (13) and 1-3 virtual grooves (15) are arranged on a pole shoe at the bottom of the stator core laminations (13); and wave elastomers (3) are respectively arranged between the bearing (2) and the front end cover (16) and between the bearing (2) and the rear end ...

Modular inositol crude splitter

The utility model provides a modular inositol crude splitter belongs to maize deep processing inositol trade field, including crude crystallizer, charge pump, gravity tank, the continuous pushing centrifugal machine of piston, flourishing feed cylinder, the utility model discloses after realizing the crystallization of inositol crude, the discharge gate of crude crystallizer is connected to the feed inlet of charge pump, carries inositol crystal and mother liquor to the gravity tank together through the charge pump, uses charge pump and gravity tank to give the continuous pushing centrifugal machine continuous feeding of piston, and on the basis of guaranteeing centrifugal effect, realize continuous feeding, continuous discharge the first time in the same trade, and operating personnel only need be responsible for connecing the material can at the discharge gate. The utility model discloses a modular inositol crude splitter easy operation, swift. Operating personnel's intensity of labour ...

Floating disc sealing performance detection method

The invention relates to the technical field of floating discs, in particular to a floating disc sealing performance detection method, which comprises the following steps of: installing a magnetic attraction guide rail in a storage tank; the detection device is installed on the magnetic attraction guide rail; the floating disc in the storage tank is adjusted to the lowest point position, and the detection device is adjusted to stably operate on the magnetic guide rail; setting a detection program to enable the detection device to release air pressure from a valve at the top end of the storage tank in the tank body along the magnetic attraction guide rail according to a magnetic attraction guide rail path until the floating disc gradually rises to the top end; and after confirming that the detection program scans successfully and performs three-dimensional imaging to the image generation system, withdrawing the detection device and the magnetic guide rail, and resetting the floating disc ...

Detection method of 5-HT

The invention discloses a 5-hydroxytryptamine derivatization detection method, a derivatization reagent is benzo 1, 3-benzodioxolane-6, 7-dicarboxaldehyde.The method can effectively improve the sensitivity and detection limit of high performance liquid chromatography (HPLC) ultraviolet detection, and is especially suitable for detection of trace 5-hydroxytryptamine samples (such as trace 5-hydroxytryptamine in plasma). The 5-hydroxytryptamine widely exists and participates in various pathological and physiological processes, and the content determination of the 5-hydroxytryptamine has important significance in diagnosis, prediction and treatment of various diseases (such as mental diseases of depression, obsessive-compulsive disorder, anorexia nervosa and the like).

Preparation method of inositol and byproduct thereof

The invention relates to a preparation method of inositol and a byproduct thereof. The preparation method comprises the following specific steps: (1) hydrolysis; (2) neutralization and filtration; (3) concentration and crystallization; (4) decoloration and crystallization. By using the preparation method, the hydrolysis rate in a phytine hydrolysis process is greatly increased, and finally, the yield of inositol products is increased. Meanwhile, the byproduct, namely feed-grade calcium hydrophosphate meeting the natural standard, is also directly obtained, and the further subsequent treatment process required in the original process is omitted.

Electronic commerce payment system based on Internet of Things technology

The invention discloses an electronic commerce payment system based on an Internet of Things technology. The electronic commerce payment system based on the Internet of Things technology comprises a payment terminal, a consumer terminal, a vender terminal and a fund terminal. When the electronic commerce payment system is used, consumers only need to select goods needed by themselves, scanning of the selected goods is performed directly through intelligent information equipment carried by the consumers on a cashier desk, after scanning is completed, payment is directly completed, after the vender receives payment receipts, the vender only needs to contrast the payment receipts with the purchased goods of the consumers, the payment speed is improved, and payment can be conducted on the goods while the consumers purchase the goods. Thus, the consumers can leave after direct account checking is completed at an exit, use is extremely convenient, the queuing phenomenon in the payment process ...

Hobbing cutter for machining outer inclined inverted conical teeth and design method of hobbing cutter

The invention provides a hob for machining an outer inclined inverted conical tooth and a design method of the hob, and relates to the field of outer inclined inverted conical tooth machining. The actual helical angle beta 1L of a left tooth surface and the actual helical angle beta 1R of a right tooth surface of a to-be-machined outer inclined inverted conical gear are determined according to the helical angle and the indexing cone angle of the to-be-machined outer inclined inverted conical gear; determining the actual normal modulus mn1L of the left tooth surface and the actual normal modulus mn1R of the right tooth surface according to the beta1L, the beta1R, the helical angle and the normal modulus; determining an actual normal pressure angle alpha n1L of the left tooth surface and an actual normal pressure angle alpha n1R of the right tooth surface according to the beta 1L, the beta 1R, the helical angle and the normal pressure angle; and respectively determining a left tooth surface ...

Spiral type scanning method for scanning detecting probe microscope

The invention discloses a spiral scanning method applied in a scanning probe microscope. A rotating angle of a rotary air bearing rotating at high speed is obtained through a rotary encoder and a displacement of an aerostatic slideway moving along the radial direction of a workpiece to be measured is obtained through a linear encoder, so that the rotary air bearing and the aerostatic slideway form a scanning module, a DSP integrated control system module is utilized to drive an SPM measuring head to obtain height information of the surface of the workpiece to be measured, then a high speed data acquisition and processing module is used to link the SPM measuring head and the scanning module in the same coordinate system to realize the matching of scanning frequency and profile measuring speed and the rapid, real-time data conversion between the polar and rectangular coordinates, and thus to achieve the high-speed, large-area and ultra-precision measurement of a micro-nano structured three-dimensional ...

Tool and method for detecting precision of tool channeling of gear hobbing machine

The invention particularly relates to a tool and a method for detecting the tool channeling precision of a gear hobbing machine, and solves the problem that a method for quickly detecting the tool channeling error of the gear hobbing machine is lacked in the current industry. The precision detection method comprises the following steps: step 1, detecting the installation precision of the first connecting piece and the second connecting piece; 2, detecting the radial error of the detection standard component; step 2.1, uniformly taking three positions, namely a position I, a position II and a position III, on the measuring surface of the standard component on the detection rod body along the tool channeling direction; step 2.2, rotating the detection standard component 1 to enable the measurement surface of the standard component to be in a vertical state at the position I; 2.3, coordinates of a tool channeling shaft on the gear hobbing machine are adjusted, so that the machining positions ...

Garden soil acidity and alkalinity improving system

The invention discloses a garden soil acidity and alkalinity improving system, and relates to the field of environmental protection, the garden soil acidity and alkalinity improving system comprises a shell assembly, a smashing assembly and a transport vehicle, the shell assembly is provided with a distinguishing assembly used for assisting detection, the distinguishing assembly comprises a stirring box, the stirring box is provided with a detection assembly used for detecting soil acidity and alkalinity, and the stirring box is provided with a conveying belt; a feeding assembly used for adding soil is further installed on the stirring box and comprises a motor II fixedly installed on the shell assembly, a gear I and a worm are fixedly installed on an output shaft of the motor II, and the feeding assembly further comprises a water tank and a supporting frame I which are fixedly installed on the shell assembly. And a worm wheel water inlet block for storing water is fixedly mounted on the ...

Track smoothness evaluation method based on midline point cloud data

The invention discloses a track smoothness evaluation method based on midline point cloud data, and the method comprises the steps: collecting track line shape data, obtaining the transverse deviation and vertical deviation of a left track and a right track relative to a design line shape, and removing abnormal data, thereby obtaining original data; setting an interception wavelength range, and filtering noise in the original data by using a filter to obtain processed track irregularity data; performing VMD multi-scale decomposition on the track irregularity data to obtain a plurality of IMF components; performing parameter optimization on K and alpha components in the VMD by using a PSO algorithm, and performing VMD decomposition according to optimization parameters to obtain a plurality of optimal IMF components; and performing Hilbert transformation on the plurality of IMF optimal components to obtain track irregularity instantaneous energy density distribution, and evaluating the track ...

Workpiece front and reverse face detection and turnover mechanism for sewing machine copper connecting rod machining device

The invention discloses a workpiece front and reverse face detection and turnover mechanism for a sewing machine copper connecting rod machining device. The workpiece front and reverse face detection and turnover mechanism comprises a detection groove. A detection air cylinder is arranged on the rear side of the detection groove. The detection groove is internally provided with a through-beam sensor. The through-beam sensor transmits a workpiece signal to the detection air cylinder. A stop block is arranged at the tail end of the detection air cylinder. An inductive switch is fixedly arranged on the outer side of the detection air cylinder. The stop block can move under the drive of the detection air cylinder. The inductive switch is located inside the motion stroke of the stop block. A first air claw is arranged above the detection groove and can be switched between a perpendicular taking station and a perpendicular discharging station and switched among the horizontal receiving station ...

Low-noise motor rotor

The invention relates to a low-noise motor rotor which belongs to the technical field of the manufacturing of assorted components for motors. The low-noise motor rotor mainly comprises a rotor body (1) with a revolving shaft 2, a V-shaped chute (4) arranged on the circle surface of the rotor body (1) and flutes (5) which are respectively arranged on the both sides of an axle hole of the rotor body (1) and are concentric with the axle hole and the like; the V-shaped chute (4) has an included angle a of 83-122 degrees and a depth of 12 plus 2mm and the flutes (5) have the diameters which are 1.2-1.8 times as long as the diameter of the axle hole and have the depth of 1.5-2mm. The low-noise motor rotor has reasonable design and simple structure, eliminates the influence of the axial force caused by the rotor cutting magnetic induction lines when the rotor rotates and improves the stress caused by the lateral current of a rotor winding, thus being capable of effectively reducing the operation ...

Method for quickly processing large-area three-dimensional micronano-structure on rotating member

The invention discloses a method for processing large area of three-dimensional micro-nano structure rapidly on a rotary component. A rapid tool servo control system with a force measuring module uses a piezoelectric actuator servo to control feed motion of a micro diamond tool and uses a micro force sensor to detect contact force and cutting force between the tip of the diamond tool and the surface of a work piece. When a cutting tool contacts with the work piece, the piezoelectric actuator starts vibrating, the micro force sensor outputs stable signal, and the signal output by the micro force sensor and the input cutting depth parameter are calculated by a PID controller, and then the calculating result is output to the piezoelectric actuator to control the cutting tool to process the surface of the work piece, thus realizing processing large area of three-dimensional micro-nano structure rapidly on the surface of the rotary component. The method provided by the invention overcomes the ...

Window cleaning machine replacement method

The invention discloses a window cleaning machine replacing method, and relates to the field of building construction, and the method comprises the following steps: firstly, hoisting all parts of a roof crane to a roof by using an old window cleaning machine, then mounting the roof crane, hoisting the old window cleaning machine to the ground by using the roof crane, hoisting a new window cleaning machine to the roof by using the roof crane, mounting the new window cleaning machine, and finally dismounting the roof crane. And the roof crane is hoisted to the ground through the new window cleaning machine. By means of the mode, the window cleaning machine can be replaced under the conditions that the internal environment of a high-rise building is complex and the limitation is large, and the safety coefficient is high.

Automatic sewing machine copper connecting rod mechanization processing device and processing method

The invention discloses an automatic sewing machine copper connecting rod mechanization processing device. The device comprises a vibrating disk, a workpiece front and back detecting and overturning mechanism, a workpiece ranking and clamping mechanism, a workpiece shifting and overturning mechanism, a first feeding mechanism, a first drilling and tapping mechanism, a turning and overturning mechanism, a second feeding mechanism, a feeding and blanking mechanism and a second drilling and tapping mechanism. According to the automatic sewing machine copper connecting rod mechanization processing device, the automation of copper connecting rod processing is realized. The invention also discloses an automatic sewing machine copper connecting rod mechanization processing method.

Layered hoisting construction process for suspended steel structure

The invention designs a layered hoisting construction process for a suspended steel structure, comprising a truss structure and a spherical pod structure in a space structure below a truss. The layered hoisting construction process is characterized by comprising the following steps of: erecting a high-altitude temporary support moulding bed on the ground of the space structure below the truss; mounting a pod structure on the temporary support moulding bed by using a high-altitude spread method; tensioning a high-strength span wire; mounting the pod structure to be in place and then mounting and tensioning the high-strength span wire; dividing the whole tensioning process into three phases, namely initial pre-tightening and tensioning before unloading a temporary support, tensioning after mounting and unloading the structure and tensioning after mounting a permanent load to be in place, for construction; and downwards staying the pod structure by using a stabilization cable. The invention ...

Stamping die for connector shell production and production process thereof

The invention provides a stamping die for connector shell production and a production process thereof.The stamping die comprises a workbench and a stamping die body, the workbench is provided with a first empty groove and a second empty groove, and the stamping die body comprises a first stamping part and a second stamping part; the first stamping parts are arranged on the top face of the workbench in a bilateral symmetry mode and can move up and down in the first empty groove, the second stamping parts are arranged on the top face of the workbench in a longitudinal symmetry mode and can move front and back in the second empty groove, and die casting cavities are formed between the first stamping parts and the second stamping parts. A containing plate is arranged in the die-casting cavity, and the first stamping part is in sliding connection with a first sliding groove formed in the connecting frame. According to the connector shell edge fixing device, fixing of the edge of a connector ...

Spline broach of rough and finish drawing structure, and design method thereof

The invention discloses a spline broach of a rough and finish drawing structure, and a design method thereof. The disclosed spline broach comprises spline cutting teeth, and the spline cutting teeth comprise a plurality of cutter tooth rings arranged concentrically in the cutting direction; the two adjacent cutter tooth rings form a group of cutter tooth rings, and each group of cutter tooth ringsis composed of a rough drawing cutter tooth ring and a finish drawing cutter tooth ring; the both sides of each rough drawing cutter tooth ring are provided with inside concave fillets; the sum of the rises of finish drawing teeth and rough drawing teeth in the same group is the rise of the cutter teeth in this group; and the rises of the cutter tooth rings in different groups are the same, and the rise of the finish drawing teeth of the cutter tooth rings in the same group is smaller the rise of the rough drawing teeth. The disclosed method is the design method of the broach disclosed by theinvention ...

Self-balance hoisting tool and hoisting method for specially-shaped component

The invention provides a self-balance hoisting tool and a hoisting method for a specially-shaped component, belongs to the technical field of building construction, and aims to solve the problems that two cranes are required to hoist the specially-shaped component and hoisting points are required to be replaced in the prior art. The self-balance hoisting tool for the specially-shaped component comprises a hoisting hook, a hoisting beam and two pulley blocks, wherein a hoisting lug is arranged at each of the two ends of the hoisting beam and is connected with the hoisting hook through a steel wire rope; each pulley block comprises a first fixed pulley, two second fixed pulleys and a cable; each first fixed pulley is connected with the corresponding hoisting lug through the steel wire rope; in each pulley block, one end of the cable sequentially penetrates through one of the second fixed pulleys, the first fixed pulley and the other second fixed pulley; a hoisting ring is arranged at each ...

Vertical compact binding post box

The utility model provides a vertical compact binding post box, belongs to terminal board technical field. Its mounting panel four corners sets up the installation screw hole respectively, and the mounting panel is connected fixedly through installation screw hole and equipment. By adopting the above technique, the utility model, set up the mounting panel that matees with the terminal box body, fix on equipment through the mounting panel, its simple to operate, wiring mouthful interior lead is by the line ball screw fixation of wiring mouthful edge, because wiring mouth and line ball screw are on with the one side, human engineering nature is good, and strong operability, fixed fastness is strong, the scheduling problem that easily drops in the existing product has been avoided, the probability of misconnection line has effectively been reduced, overall reliability and stability improve, the qualities of use are improved, and its structure is small and exquisite, make full use of the deep ...

A drying system for drying plant maize source calcium hydrogen phosphate

The utility model provides a drying system for drying plant maize source calcium hydrogen phosphate belongs to the corn processing technology field, including drying -machine, tube bank heat exchanger, drying -machine motor, drying -machine speed reducer, drying -machine transmitting gear, sack dust collector, draught fan. The utility model discloses reform transform the drying -machine heating section, adopt the tube bank heat exchanger, the draught fan produces the negative pressure when drawing tail gas, to restrain hot -air that the heat exchanger produced takes out into inside the drying -machine, , the drying -machine motor changes speed through the drying -machine speed reducer under driving, and connect drive drying -machine subsequent rotation through drying -machine drive gear, make calcium hydrogen phosphate constantly roll in the drying -machine, its hot -air with getting into constantly carries out heat exchange, thereby the wet calcium hydrogen phosphate in plant maize source ...

Spiral type scanning method for scanning detecting probe microscope

The invention discloses a spiral scanning method applied in a scanning probe microscope. A rotating angle of a rotary air bearing rotating at high speed is obtained through a rotary encoder and a displacement of an aerostatic slideway moving along the radial direction of a workpiece to be measured is obtained through a linear encoder, so that the rotary air bearing and the aerostatic slideway form a scanning module, a DSP integrated control system module is utilized to drive an SPM measuring head to obtain height information of the surface of the workpiece to be measured, then a high speed data acquisition and processing module is used to link the SPM measuring head and the scanning module in the same coordinate system to realize the matching of scanning frequency and profile measuring speed and the rapid, real-time data conversion between the polar and rectangular coordinates, and thus to achieve the high-speed, large-area and ultra-precision measurement of a micro-nano structured three-dimensional ...

Low-noise alternating current (AC) motor

The invention relates to a low-noise alternating current (AC) motor which belongs to the technical field of the manufacturing of motors. The low-noise motor mainly comprises a motor shell (6), a frontThe invention relates to a low-noise alternating current (AC) motor which belongs to the technical field of the manufacturing of motors. The low-noise motor mainly comprises a motor shell (6), a frontver (10). The low-noise AC motor has reasonable whole structure design, provides a thought for lowering the noise of the motor in all aspects such as the rotor, the stator and the assembly of thend cover (10). The low-noise AC motor has reasonable whole structure design, provides a thought for lowering the noise of the motor in all aspects such as the rotor, the stator and the assembly of the rotor and the stator and the like and can effectively reduce operation noise of the motor and improve the product quality.e rotor and the stator and the like and can effectively reduce operation noise of the ...

Workpiece sequencing and clamping mechanism for copper connecting rod machining device of sewing machine

The invention discloses a workpiece sequencing and clamping mechanism for a copper connecting rod machining device of a sewing machine. The workpiece sequencing and clamping mechanism comprises a lateral movement cylinder which is arranged longitudinally and is positioned on the side surface of a material inlet; a blocking cylinder is also arranged on the side surface of the material inlet; a first push cylinder and a second push cylinder are arranged on the other side of the material inlet side by side; horizontal sliding tables are movably arranged at the tail ends of the channels at which the first push cylinder and the second push cylinder are positioned and can move along sling rails, so that the conversion between a material receiving workstation and a surface milling workstation is realized. According to the workpiece sequencing and clamping mechanism, two workpieces are respectively transferred into the channels of the two push cylinders which are arranged side by side through the ...

System for improve plant source calcium hydrogen phosphate bulk density

The utility model relates to a system for improve plant source calcium hydrogen phosphate bulk density belongs to the maize deep processing field, carry machine, feed bin, sack cleaner, tail gas fan, water -bath deduster, commentaries on classics valve, conveyor screw including drying -machine, ejection of compact spiral, shale shaker, rubbing crusher, fill, after high wet calcium hydrogen phosphate added the drying -machine, constantly by kibbling calcium hydrogen phosphate, the drying reached the calcium hydrogen phosphate product of requirement moisture content, discharges from the discharge gate of drying -machine, the calcium hydrogen phosphate farine is smugglied secretly by hot -blast, and by the sack cleaner collection, the calcium hydrogen phosphate farine of collection, mixes whole once more, stoving through transport auger delivery to drying -machine feed end with wet material. Calcium hydrogen phosphate does not pass through rubbing crusher from the drying -machine exhaust, ...

Belt type pot seedling transplanting and separating machine

The invention discloses a belt type pot seedling transplanting and separating machine which comprises a belt type conveying assembly, a spacing control assembly, an inclination control assembly, a traveling assembly, and a frame. The belt type conveying assembly comprises a frame, a supporting shaft, conveyers, and so on. Each conveyer comprises a conveying rack, a driving shaft, a driving gear, a gear, a driven gear, a driven shaft, and so on, wherein the driving gear is mounted at the rear end of the conveying rack through the driving shaft, and the driven gear is mounted at the front end of the conveying rack through the driven shaft. The spacing control system comprises connecting rods, connecting rod coupling elements, a slipper, a guide track, and so on, wherein the ends and the centers of the a plurality groups of the connecting rods and the connecting rod coupling elements with the same structure are hinged to form a telescopic mechanism, the guide track is fixed on the conveying ...

Layered hoisting construction process for suspended steel structure

METHOD FOR PREPARING MICROGROOVE ARRAY SURFACE WITH NEARLY CYLINDRICAL SURFACE BASED ON AIR MOLDING METHOD

The present invention provides a method for preparing a microgroove array surface with a nearly cylindrical surface based on an air molding method, and relates to the technical field of functional surface preparation. The method includes the following steps: (1) preparing a microgroove array surface, uniformly spreading a layer of a liquid polymer film to be formed on the auxiliary plate, and placing a spacer block in an empty position on the microgroove array surface; (2) placing the auxiliary plate spread with the liquid polymer film on the spacer block on the microgroove array surface, maintaining this state, and feeding the auxiliary plate into a vacuum drying oven; and (3), setting a pressure in the vacuum drying oven according to a designed pressure, heating and solidifying the liquid polymer film, and separating the microgroove array surface to obtain the microgroove array surface with the nearly cylindrical surface. 1. An air molding method based on pre-spreading of an auxiliary plate for preparing a microgroove array surface with a nearly cylindrical surface , comprising the following steps:step 1: preparing a microgroove array surface; uniformly spreading a layer of a liquid polymer film to be molded on the auxiliary plate; and placing a spacer block at an empty position of the microgroove array surface;step 2: placing the auxiliary plate spread with the liquid polymer film on the spacer block on the microgroove array surface, and feeding the auxiliary plate into a vacuum drying oven while maintaining this state;step 3: setting a pressure in the vacuum drying oven according to a designed pressure value, heating and solidifying the liquid polymer film, and separating the liquid polymer film from the surface of the auxiliary plate to achieve the preparation of the microgroove array surface with the nearly cylindrical surface;in the step 1 of the method, the microgroove array surface is prepared by a conventional micro-processing method such as a laser direct ...

Method for preparing microgroove array surface with nearly cylindrical surface based on air molding method

The present invention provides a method for preparing a microgroove array surface with a nearly cylindrical surface based on an air molding method, and relates to the technical field of functional surface preparation. The method includes the following steps: (1) preparing a microgroove array surface, uniformly spreading a layer of a liquid polymer film to be formed on the auxiliary plate, and placing a spacer block in an empty position on the microgroove array surface; (2) placing the auxiliary plate spread with the liquid polymer film on the spacer block on the microgroove array surface, maintaining this state, and feeding the auxiliary plate into a vacuum drying oven; and (3), setting a pressure in the vacuum drying oven according to a designed pressure, heating and solidifying the liquid polymer film, and separating the microgroove array surface to obtain the microgroove array surface with the nearly cylindrical surface.