209results about How to "Guaranteed to be accurate" patented technology

The invention relates to multimedia communication technique, disclosing a multimedia communication method and the terminal design and implementation thereof, improving transmission reliability and communication quality. And the invention adopts ERRTP to provide a transmission layer packing form able to carry error resilient encoding solution related information on the basis of the existing RTP protocol, making multimedia data label the corresponding error resilient encoding solution related information while transmitted on ERRTP, thus merging error resilient mechanism into the transmission layer; in accordance with H.264 NALU structure, the invention provides a special ERRTP packing method and protocol header modification solution, able to integrate all NALU header bytes in the same ERRTP packet into its header, thus expressing important information of NALU in the ERRTP header and raising transmitting efficiency.

The invention discloses a preparing method of fine personalized skull model to depict teeth occlusal relationship, which comprises the following steps: adopting CT tomographic scanning to pick patient skull tomographic image data, reconstructing three-dimensional skull facial bone computer, gathering three-dimensional data of teeth gupse pattern and gupse mode, fusing and separating data of three-dimensional image data, moulding skull data rapidly, connecting organically.

The object of the invention is to solve the existing problems and provide an angle-adjustable pruning and picking device. The angle-adjustable pruning and picking device comprises a cutter head mechanism, a rotary mechanism, an operating mechanism and a taking-up mechanism, wherein the cutter head mechanism and the rotary mechanism are arranged at the front end of a cutter bar, and the operating mechanism and the taking-up mechanism are arranged at the rear end of the cutter bar; and a rotation auxiliary mechanism is arranged between the rotary mechanism and the operating mechanism. According to the angle-adjustable pruning and picking device, the angle of a cutter blade of the pruning device can be adjusted, the cutter blade and an object to be pruned can always be in a horizontal shearing state during pruning, branches and leaves of high-altitude or low-altitude flowers, plants and trees can be pruned smoothly, and the device can also be used for picking high-altitude fruits.

The embodiment of the invention provides a system capable of realizing automatic layout of a flow chart. The system comprises the steps that the logical relationship of nodes is obtained; the logical relationship of the nodes is analyzed and the nodes are graded; the nodes in the same grade are optimized, and an optimal layout mode is computed; the coordinates of each optimized node in the flow chart are determined by adopting a topological order. The logical relationship of the nodes is analyzed, the nodes are graded, and a Randker iteration sorting algorithm is adopted for the nodes in the same grade to compute the internal optimal arrangement mode of each grade, so that the number of cross points of flow lines is guaranteed to be the minimum, the nodes are uniformly and linearly distributed in a plane in an equidistant manner by utilizing a symmetrical layout method, the disorder and complexity of manual flow charting can be effectively solved accordingly, the reasonable layout of the flow chart can be realized rapidly and efficiently, and the accuracy of the layout of the flow chart and the clearness of business logic are guaranteed. Besides, the other embodiment of the invention provides a device capable of realizing automatic layout of the flow chart.

The invention discloses an auxiliary device for building detection. The auxiliary device comprises a base, a lifting mechanism, a rotating mechanism, a pressing mechanism, a mounting mechanism and rollers. One top side of the base is provided with the lifting mechanism. One side of the lifting mechanism is provided with the rotating mechanism. One side of the rotating mechanism is provided with the pressing mechanism. One side of the pressing mechanism is provided with the mounting mechanism. The bottom periphery of the base is provided with the rollers. According to the auxiliary device and the auxiliary method for building detection, an architectural engineering detection ruler can be conveniently corrected through a rotating mechanism with a unique design after the mounting mechanism ismounted rapidly, and vertical and horizontal states of the architectural engineering detection ruler are guaranteed when measuring. The building engineering detection ruler is pressed at a pluralityof points by the pressing mechanism, so that the building engineering detection ruler is tightly attached to a to-be-tested wall surface, and the data precision is guaranteed. The lifting mechanism and the base with the rollers are convenient to move and can be measured at any position.

The invention provides a turntable-inclined scratching type photoelectric automatic particle counter aiming at the defects of electromagnet torsional vibration type particle counters which are the most commonly adopted at home and abroad at present and on the basis of a principle that particles can be automatically moved, sorted in order and spaced by the inclined scratching of a turntable. By the particle counter, the particles automatically moved, sorted in order and absolutely spaced (unless abnormal factors such as viscosity, blockage and the like) by using the turntable and a slot disk, necessary and reliable light-transmission clearances are provided for precise photoelectric counting, and a noisy electromagnet torsional vibration disk or mechanisms which generate particle spacing such as complicated escapements or apertures are not needed.

The invention discloses an indoor truth-preserving sampling, sample storage and analysis device based on deep well sampling. The device comprises a high-pressure gas source system and a truth-preserving sampling system which is connected with the high-pressure gas source system and used for collecting a formation fluid sample, wherein the truth-preserving sampling system is respectively connected with an immediate decompression analysis system for performing online analysis on the formation fluid sample, a truth-preserving sample storage system for performing undisturbed preservation on a fluid in the formation fluid sample and a chemical online analysis system for monitoring and analyzing the formation fluid sample, and the truth-preserving sampling system, the immediate decompression analysis system, the truth-preserving sample storage system and the chemical online analysis system are connected with a waste water and waste gas treatment system. The invention further comprises an indoor truth-preserving sampling, sample storage and analysis method based on the deep well sampling. The method disclosed by the invention has the advantages of easiness in operation, and simplicity and convenience in operation; and modular integration is adopted, all modules are independent mutually, mutual interference of various samples can be avoided, and multi-formation and multi-position simultaneous sampling can be further realized.

The invention relates to a flange processing machine, in particular to an aggravating vertical type ring rolling machine which solves the problem that the quality of a ring rolling not high during the flange processing process. The invention includes a base; a horizontal working platform and a motor are arranged on the base; a main rotating mould is arranged on the horizontal working platform; the main shaft of the main rotating mould is connected with the motor by a coupling; a mandrel is arranged below the main rotating mould; the two sides of the main rotating mould are provided with holding rollers; a limitation device is arranged above the main rotating mould; a distance measuring device with a distance measuring wheel is arranged below the main rotating mould. The invention is suitable for processing the flanges with large coaxial dimensions like a lapped flange and a high neck flange; the largest processing diameter is 1100mm and the largest thickness of the flange is 140mm.

The invention discloses an online dual-light-path water environment measurement device based on spectral measurement technology. The online dual-light-path water environment measurement device comprises a sealing shell, the shell is internally provided with a detection optical unit and a signal processing unit, and the middle of the shell is provided with a detection pool; a light source control panel controls a light source to work, and the light source emits ultraviolet-visible light; the ultraviolet-visible light is changed into parallel light after passing through a first lens; the parallel light is divided into two paths after passing through a semi-permeable semi-reflective mirror, one path of light is focused by a second lens after passing through light windows of the detection pool and then transmitted to an acquisition module through optical fibers and is used for testing a water sample to be tested, and the other path of light serving as reference signals of light source energy change is received by a photoelectric detector and then transmitted to a control and signal processing module. The online dual-light-path water environment measurement device has the advantages that solar energy is adopted for power supply, long-term operation can be achieved, a light window cleaning system is adopted, and precision of measured data can be guaranteed.

The invention relates to tool fixtures, in particular to an automatic tooth aligning tool fixture. By the aid of the automatic tooth aligning tool fixture, the requirement on angles of gear teeth of gear shafts and gear teeth of gears can be assuredly met. The automatic tooth aligning tool fixture comprises a tool base plate, tooth aligning portions and a floating axial positioning portion. The tooth aligning portions comprise gear shaft aligning teeth, gear aligning teeth, gear supports, cylinders and first limiting supports, the cylinders are mounted on the tool base plate, the first limiting supports are connected to output ends of the cylinders, the gear supports are mounted on the first limiting supports and are driven by the cylinders to move, and the gear shaft aligning teeth and the gear aligning teeth are respectively arranged on the gear supports and are respectively meshed with gear teeth on gear shafts and gear teeth on gears; the floating axial positioning portion comprises an axial support seat and a floating positioning head, a spring is inlaid in the floating positioning head, and the floating positioning head penetrates a guide sleeve, so that the floating axial positioning portion can be formed. The automatic tooth aligning tool fixture has the advantages that the automatic tooth aligning tool fixture is wide in application range, reliable in work and simple in operation, manual work by operators can be omitted in tooth aligning procedures, the tooth aligning accuracy can be guaranteed, and manual work can be reduced.

The invention discloses a method for measuring steel wire intervals in subway shaft connection survey by using an electronic total station. The method comprises the steps of suspending two steel wires of which the diameters are less than 0.5mm at a subway shaft, and suspending heavy hammers on the tail ends of the steel wires and dipping into damping liquid; and the method further comprises the steps of: A. respectively erecting electronic total stations at near-shaft points above and under the subway shaft, pasting reflecting sheets on the steel wires above the shaft and under the shaft, and positioning the reflecting sheets on a straight line in the horizontal measuring direction of the electronic total station; B. adjusting the deviation distance of the electronic total station relative to the straight line where the reflecting sheets of the two steel wires are positioned; C. adjusting the electronic total station, and respectively reading the horizontal distance between the two steel wires above the shaft and under the shaft through the electronic total station after the steel wires are in the static state; and D. confirming the observation data and obtaining the interval between the two steel wires. By utilizing the method, the suspension standard of the steel wires in the working process is effectively lowered, and the time and the labor are saved, however, the precision degree is about 5 times higher than the normative standard, and the precision in connection survey is ensured.

The invention relates to the field of semiconductors and liquid crystal displays, in particular to a dual-sided processing method and an exposure device in a processing process of a semiconductor and a liquid crystal display. The dual-sided processing method comprises the steps of: in an exposure process, firstly, aligning two optical masks in an exposure device, then conveying a substrate to a place between the two optical masks of the exposure device, and finally making patterns on two sides of the substrate. The exposure device comprises two optical masks, wherein the substrate to be processed is arranged between the two optical masks, and an optical mask alignment identifier is arranged on each of the two optical masks. According to the invention, during the dual-sided processing process of patterns of the substrate, the optical masks are aligned in advance, the accuracy of the patterns on two sides of the substrate is ensured, and the product quality is ensured.

The invention relates to a positioning device for distal locking of an intramedullary nail. The positioning device comprises a positioning mechanism and an adjusting mechanism, wherein the positioning mechanism comprises a first positioning ring and a second positioning ring which are arranged at intervals and are concentrically arranged; a guide needle penetrates through the first positioning ring and the second positioning ring in sequence and is positioned by the first positioning ring and the second positioning ring; the adjusting mechanism comprises a longitudinal rotation assembly used for rotating around a longitudinal axis so as to drive the positioning mechanism to rotate around the longitudinal axis, a transverse rotation assembly used for rotating around a transverse axis so as to drive the positioning mechanism to rotate around the transverse axis, a longitudinal translational component used for driving the positioning mechanism to move along the longitudinal direction and a transverse translational component used for driving the positioning mechanism to move along the transverse direction; the positioning mechanism is detachably or fixedly connected to at least one of the four components; an intersection of the longitudinal axis and the transverse axis is arranged on a connection line of a circle center of the first positioning ring and a circle center of the second positioning ring; an included angle is formed between the plane formed by the longitudinal direction and the transverse direction and the penetrating path of the guide needle. The positioning device is capable of assisting a doctor to quickly and accurately positioning far-end lock holes under the conditions without extra iatrogenic wounds and low radiation frequency.

The invention provides an intelligent construction method of a decoration design scheme. A piece of a material pattern is selected in frame manner from two-dimensional material images, one of tiling,size transformation, angle transformation, depth complementing and main-body complementing or a combination manner is utilized to add the same into a three-dimensional space model, and the material pattern is utilized to fill up the space model to obtain three-dimensional decoration design scheme data. According to the method, development of internet home decoration toward a direction of procedurization, simplification, personalization, automation and intellectualization can be promoted; a realistic actual-person-version home-decoration-type human-machine interaction 3D game which is capable of advance experience and advance planning and simulation of comfortable living environments of future ideal homes is further provided for people while a lot of time is saved for decoration customers;and at the same time, the drawback that the decoration design scheme can only be designed by a designer or a proprietor who must be very creatively inspired is changed, and the drawback that people can only select fixed and patternized design schemes in a foolproof manner is changed.

The invention provides a rotor-wing-type power transmission line patrol inspection walking mechanism capable of crossing obstacles. The walking mechanism comprises a bearing board used for bearing a patrol inspection device, at least two rotor wings used for crossing the obstacles are arranged on the bearing board, the bearing board is further provided with at least two walking devices capable of moving on a power transmission line in a reciprocating mode and a control device used for controlling motions of the rotor wings and the walking devices, a worker does not need to climb a tower when the walking mechanism is to be installed on the power transmission line, and the worker seldom needs to climb. The walking mechanism can effectively cross the obstacles including the tower and does not need to be aided manually in crossing the obstacles, the distance between the obstacles and the walking mechanism can be recognized accurately, and it is guaranteed that the walking mechanism can cross the obstacles accurately; safety hidden risks caused when the worker climbs to install the walking mechanism or aids the walking mechanism to cross the obstacles are effectively avoided.

The embodiment of the invention provides a test processing method and device based on a microphone. The method comprises: detecting the audio frequency played by a sound source, and determining the sound source volume data; detecting the audio frequency by employing the microphone of a terminal, and generating the audio frequency information; determining the target volume data corresponding to the target microphone according to the audio frequency information; and comparing the target volume data with the sound source volume data, and determining the test result of the target microphone. According to the embodiment of the invention, the test processing method and device based on a microphone are able to determine the effect of receiving sound by each microphone and ensure the accuracy of detection for each microphone of the terminal, namely improve the accuracy of the detection for the microphones of the terminal.

The invention relates to a clean gravity pressure casting device for the production of automobile hubs, which includes a mold, a base, a lifting mechanism, a cleaning mechanism and two moving mechanisms. The lifting mechanism includes a first motor, a fixed ring, a lifting block, and a screw rod , a connecting block and two driven components, the cleaning mechanism includes a connecting rod, a push-pull component, a translation component, a lifting component and a cleaning component, the push-pull component includes an air pump, a cylinder and a piston, and the lifting component includes a lifting plate, a third motor, and a first gear , a sliding frame, a moving rod and a number of rollers. The clean gravity pressurized casting device used for the production of automobile hubs realizes the fixing and moving of the casting device through the lifting mechanism and the moving mechanism, which improves the convenience of the casting device. The mechanism cleans the mould, thereby ensuring the accuracy of the mould, and greatly improving the practicability of the casting device.

The invention relates to a digital image detecting device for measuring detection and verification of point dosage rapidly in real time. The middle region of a digital flat-panel detector is provided with at least one ionization chamber detector or semiconductor detector; the periphery parts of the digital flat-panel detector are respectively provided with at least one semiconductor detector or ionization chamber detector; an MV (millivolt)-level X-ray image is obtained under MV-level energy irradiation by the digital flat-panel detector, the MV-level energy of the point is detected and received by the ionization chamber detectors or the semiconductor detectors, and the detection result of the point dosage of the point are recorded; and comparison is carried out on the acquired detection result of the point dosage and the dosage result of the corresponding point on the dosage image of the digital flat-panel detector, thus the dosage result within the whole field range of the digital flat-panel detector can be obtained rapidly in real time.

The invention discloses an intelligent accurate leveling measurement bearing which comprises a measurement tripod, a laser transmitter, a vertical direction driving control unit, a horizontal direction hydraulic control unit, an ejection plate and a computer, wherein the vertical direction driving control unit comprises a second support plate, a third support plate, a motor and a universal wheel set; the horizontal direction hydraulic control unit comprises a hydraulic horizontal control system; the ejection plate is jointly supported by piston rods of a plurality of hydraulic cylinders; the upper surface and the lower surface of the ejection plate are parallel; and a second laser receiver is arranged on the upper surface of the ejection plate. With the adoption of mechanical control principle design and structural design, instruments of this type are higher in automatic leveling efficiency, higher in leveling accuracy, and more reasonable and compact in structure; and through automatic control and checking in the vertical and horizontal directions, the leveling steps in the vertical and horizontal directions can be carried out at the same time.

The invention relates to the technical field of steel pipe pile sinking construction, in particular to a pile sinking construction method based on a jacking-pushing walking platform. A track beam is erected on a constructed a first round of steel pipe piles, then the walking platform is installed on the track beam, a crawler crane and a guide frame on the walking platform are adjusted, and a second round of steel pipe piles are inserted and piled through the crawler crane and the guide frame. A new track beam is erected to connecting all the second round of steel pipe piles, the jacking-pushing walking platform moves to the second round of steel pipe piles along the new track beam, the crawler crane and the guide frame are adjusted, inserting piling construction of a third round of steel pipe piles is completed through the crawler crane and the guide frame, and construction is conducted sequentially alternatively till construction of all steel pipe piles is completed. According to the pile sinking construction method based on the jacking-pushing walking platform, the structure is simple, and operation is convenient. The inserted-piled steel pipe piles are used as pile sinking foundations so that the stability of a pile sinking construction platform can be improved to a great extent, the accuracy of pile sinking construction is ensured, and the construction procedures are simpler.

The invention discloses a perpendicularity checking device for a roller stand angle square positioning gauge of a spinning machine.The device comprises a base, a detection plate, a left positioning assembly, a detection assembly, a right positioning assembly and the roller stand angle square positioning gauge; the detection plate is arranged on the base, a groove is formed in the middle of the upper end face of the detection plate, the left positioning assembly and the right positioning assembly are installed on the groove, and the detection assembly is arranged between the left positioning assembly and the right positioning assembly; the detection assembly is composed of a left detection rod, a right detection rod and a detection ruler; the roller stand angle square positioning gauge is arranged under the left detection rod and the right detection rod, and a plug gauge is arranged between the angle square end face of the roller stand angle square positioning gauge and the detection end face of the right detection rod.The device has the advantages of being simple in structure and convenient to operate and not only can ensure the precision and technique requirements of the roller stand angle square positioning gauge of the spinning machine but also can improve the flatting quality of main machine equipment in the textile industry.

The invention provides a wind speed prediction method the basis of a self excitation threshold autoregression model, belongs to the power transmission and distribution technology field and aims to improve an original wind speed prediction method and improve wind speed prediction precision. According to the method, an original non-linear wind speed sequence is divided into multiple sequences through an SETAR model on the basis of a threshold r and a lag order d, an AR model is established for each sequence segment, the model is an AR model actually or a segmented AR model controlled by the threshold r; an optimal prediction value is determined according to a prediction result. The method is advantaged in that non-linear characteristics of the wind speed sequence are fully mined, on the basis, the proper regression model is established. As proved by a test result, compared with a traditional prediction method on the basis of an ARMA model and a BP model, the method has higher prediction precision.

The invention relates to a device for measuring the depth between a differential bearing in an automobile gearbox and the contact surface of a gearbox housing and a dust-proof cover, and specifically relates to a servo pressurizing based depth measuring mechanism capable of variable pitch adjustment. The mechanism comprises a servo pressure measurement portion and a variable pitch adjustment portion. The variable pitch adjustment portion comprises a displacement cylinder, a linear guide rail and a displacement connection board. The servo pressure measurement portion is installed on the displacement connection board and is driven to perform reciprocating motion on the linear guide rail through the displacement cylinder. The servo pressure measurement portion comprises a servo motor, a decelerator, a ball screw, a connection frame, a floating adjustment portion, a pressure sensor, a connection shaft, a displacement sensor, a pressure head and a measurement pressure head. The servo motor is connected with the ball screw through the decelerator. One end of the connection frame is in threaded connection with the ball screw. The other end of the connection frame is successively connected with the floating adjustment portion, the pressure sensor, the connection shaft, the pressure head and the measurement pressure head. The mechanism provided by the invention has the advantages of adjustable measuring pressure, diversified suitable models, reliable work and the like.

The invention discloses a method for reinforcing steel bar position determination in a building wall and comprises the following steps that: an infrared radiation device is fixed on the outer side ofthe wall body to shoot an infrared thermogram; according to a situation that a heat source range is shaded, the reinforcing steel bar position in the wall body is judged, a hydroelectric position is further designed, and slotting installation is carried out. The invention simultaneously provides a method for spatial model construction and comprises the following steps that: the infrared radiationdevice is simultaneously fixed on the necessary point of a building space, then, movement is carried out in the building space, the infrared thermogram and distance data are dynamically collected, andfinally, the collected data is converted into building space model data which contains reinforcing steel bar data. By use of the method, a complex measurement process is omitted, the complexity degree of an algorithm is greatly lowered, processing efficiency is high, an error ratio is low, the reinforcing steel bar position in the wall body can be directly obtained, and a modeling method which issimple in operation, easy in realization and accurate in data is provided for designers, especially designers, in the decoration industry so as to bring convenience for later-stage design, revision and display.