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117results about How to "Short positioning time" patented technology

Battery replacing system and battery replacing method of electromobile battery replacing station

The invention discloses a battery replacing system of an electromobile battery replacing station. The battery replacing system comprises a charging rack, stacking equipment, a temporary storage rack, electric-switching equipment and a charger system. The battery replacing system is characterized in that: the stacking equipment is used for carrying batteries between the charging rack and the temporary storage rack; the electric-switching equipment is used for carrying the batteries between the temporary storage rack and the electomobile; the stacking equipment has translation, hoisting and loading / unloading functions and is used for carrying the batteries between the charging rack and the temporary storage rack; and the electric-switching equipment has translation, hoisting, rotating, inclination angle adjustment and loading / unloading functions, and is used for carrying the batteries between the temporary storage rack and an electromobile. Accurate positioning of a battery box by the electric-switching equipment is realized in a way that a self-carried laser transducer scans a light-reflecting triangular panel arranged on an electromobile battery box frame. Due to the different designs of the charging rack and the temporary storage rack, the stacking equipment and the electric-switching equipment coordinately work together, and then the electromobile battery replacing efficiency is effectively improved.
Owner:NARI TECH CO LTD +4

Method and device for carrying out vehicle positioning in parking lot

The invention relates to a method and device for carrying out the vehicle positioning in a parking lot. The method is used for a server, and comprises the steps: obtaining the actual receiving signal intensity indication information of an intelligent terminal at a current position and an instant scene image when a server communicates with the intelligent terminal on a vehicle entering the parking lot; determining a pre-stored scene image corresponding to the actual receiving signal intensity indication information according to the actual receiving signal intensity indication information and a pre-built position fingerprint map of the parking lot; and determining the current actual position of the vehicle in the parking lot according to the pre-stored scene image and the instant scene image. Therefore, the method can achieve the positioning of the vehicle in the parking lot without other operation and maintenance equipment in the parking lot, and reduces the positioning cost. In addition, even if a GPS signal is weak or there is no GPS signal, the method also can achieve the high-precision positioning, is short in positioning time, and improves the parking experience of a user.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Indoor cloud robot angle positioning method based on position and visual information optimization

The invention discloses an indoor cloud robot angle positioning method based on position and visual information optimization. In the invention, firstly an RFID reader and writer receives signal intensity RSSI emitted by an active label, an approximate location coordinate is preliminarily calculated and positioned, and an approximate scope of a location where a mobile robot is located is determined, and then when a positioning method of image search is used, a search scope of an image database only needs to be in an error range. Therefore, the search scope of the image is reduced, a positioning speed and accuracy are increased. In the invention, cloud calculating configuration is used; data acquisition is completed by a mobile robot terminal which is a client; data calculating is completed by cloud; and a calculating speed and a storage capability of the cloud are greatly increased. The two positioning methods are combined and a cloud calculating mode is used so that time needed by the positioning is shortened and an accurate position coordinate and angle information can be acquired.
Owner:SUZHOU UNIV

Method for positioning and processing mobile station

The method comprises: according to the location request information of core network, location capability of subscriber equipment and information about cell type, the radio network control (RNC) selects an initial location method to make location process; if satisfying the location requirement, then ending the location process; if location process failures, according to the location capability of user and the type of accessed cell, making a location degradation process; after the location method is selected, using the selected location method to locate the mobile station.
Owner:HUAWEI TECH CO LTD

Safe positioning method of wireless sensor network

ActiveCN102123389AResist Wormhole AttacksDefense against distance spoofing attacksEnergy efficient ICTNetwork topologiesWireless sensor networkBase station
The invention relates to a safe positioning method of a wireless sensor network, comprising three stages, namely a doubtful node recognition stage, a malicious node isolation stage and a node position safety calculation stage, wherein in the doubtful node recognition stage, anchor nodes are cooperated mutually, broadcast information packets in a hopping communication range, detect doubtful nodes according to whether the information packets are abnormal, and record ID (identification) information of corresponding doubtful nodes; in the malicious node isolation stage, the anchor nodes report the ID information of the doubtful nodes to a base station which is carried out safety level area division on the wireless sensor network and isolated malicious nodes; and in the node position safety calculation stage, as for the main anchor node and the auxiliary anchor nodes in areas with higher safety level preferably, the calculation of sensor nodes is finished by a passive positioning algorithmbased on time difference. In the safe positioning method, the malicious nodes are effectively detected and isolated, the influence of the malicious attack to the positioning process is reduced, the positioning accuracy is improved, the energy consumption for positioning is saved and the life cycle of the network is prolonged.
Owner:CHANGZHOU ANKONG ELECTRICAL INFORMATION TECH

Indoor positioning method based on LSTM and multi-sensor fusion

The invention relates to the technical field of the indoor positioning, and provides an indoor positioning method based on LSTM and multi-sensor fusion. The indoor positioning method comprises the following steps: firstly collecting triaxial acceleration, triaxial magnetic value, triaxial angular speed and location coordinate data of the pedestrian through an accelerometer of a mobile phone, a geomagnetic sensor and a gyroscope, and preprocessing a data set; performing coarse positioning on the pedestrian by utilizing WiFi information, and computing an initial location of the pedestrian; performing step counting on the pedestrian by utilizing the triaxial acceleration data and performing the step length estimation; performing direction estimation on the pedestrian by utilizing the triaxialmagnetic force value data and the triaxial angular speed data so as to form a pedestrian motion model, and then estimating the pedestrian location; and then constructing and training a LSTM model forpedestrian positioning, and predicting the pedestrian location by utilizing the trained LSTM model; and finally performing Kalman filter fusion on the pedestrian location computed in previous two steps, thereby accomplishing the pedestrian positioning. Through the indoor positioning method disclosed by the invention, the indoor positioning precision can be improved, the cost is low, and the deployment is easy.
Owner:NORTHEASTERN UNIV

Navigation signal transmitting apparatus, location information providing apparatus, method for transmitting navigation signal, and method for providing location information

A navigation signal transmitting apparatus and a location information providing apparatus are provided for reducing time of positioning with a positioning signal from an indoor positioning transmitter. When an information providing server recognizes a transmitter ID of a transmitter from a mobile phone, the server makes reference refers to database associated with the transmitter ID, and reads SVG map information associated with the ID (including information for displaying a map and information of a correspondence relation between the transmitter ID and the location of the transmitter on the map). When the server transmits data of the SVG map information to a base station, the base station wirelessly emits the data of the SVG map information. When the mobile phone detects arrival of the data, the mobile phone can obtain the location of the transmitter from the data in accordance with a browsing operation of a user of the phone.
Owner:GNSS TECH INC

Multiple NaI (T1) detectors based radioactive substance two-dimensional locating method

The invention discloses a multiple NaI (T1) detectors based radioactive substance two-dimensional locating method in an access control detection system. A two-dimensional locating model of a radioactive substance is determined through the measurement of the attenuation law of gamma rays and the change of the azimuth angle of the radioactive substance at different positions relative to a detector. The energy resolution capability of the NaI detector is utilized to recognize the radioactive nuclide, and the problems of mutual interference of different radioactive nuclides and simultaneous location of different radioactive substances can be effectively solved under a multi-source condition. According to the method, a maximum characteristic peak counting detector with high counting capability, a detector at the opposite side and a second largest characteristic peak counting detector at the opposite side are adopted, situations that the location error is increased and even a position close to the edge cannot be located due to the influence of statistical fluctuation on the counting value of the detector when the solid angle of the radioactive substance on the detection surface of the detector is too small or the attenuation distance is overlong are avoided, and the method has the advantages of short measurement time, high location accuracy and the like.
Owner:四川新先达测控技术有限公司

Multifunctional waistband

The invention discloses a multifunctional waistband which comprises a waistband pike and a waistband pike release buckle, and is characterized in that a containing cavity is arranged in the waistband pike; a satellite navigation positioner is arranged in the containing cavity; a switch of the satellite navigation positioner is the waistband pike and the waistband pike release buckle; the satellite navigation positioner is started and works when the waistband pike is buckled with the waistband pike release buckle; and the satellite navigation positioner is shut down when the waistband pike is not buckled with the waistband pike release buckle. The multifunctional waistband is convenient to carry, and difficult to lose, and is provided with various positioning navigation systems; the precision and the reliability of navigational positioning are improved greatly with the mutual assistance of the systems; the positioning time is short; a positioning speed is high; an error is prevented from being accumulated with time lapse and travel increase; and the waistband is provided with multiple extended function accessories, so that the waistband is complete in function, and is very suitable for outdoor adventure and field exploration.
Owner:BC P INC CHINA NAT PETROLEUM CORP

Cable partial discharge positioning system and method based on travelling wave principle

Provided is a cable partial discharge positioning system and method based on the travelling wave principle. A cable line (1) is included. The system is characterized in that the two ends of the cable line (1) are respectively provided with travelling wave collectors (4) which are used for collecting travelling wave pulse signals, the travelling wave collector (4) at each end is connected with a time synchronization unit used for time synchronization, and the travelling wave collectors (4) at the two ends of the cable line (1) are connected via a communication network (2). According to the system, the travelling wave collectors are used for collecting fault travelling-wave pulse waveforms in the cable line, and time synchronization signals provided by a GPS time synchronization device are used to accurately determine fault points, so that positioning time is short, and the cable line is prevented from secondary damage.
Owner:STATE GRID CORP OF CHINA +2

Servo control system for movable body, and laser drilling machine

A difference between each position command data outputted in a form of a step signal from a high-level controller and its corresponding detected position data of a movable body is integrated by an integral compensator to position the movable body. Assuming, for example, that the movable body is a steerable mirror, digital filters are arranged to compensate the value of an initial state of an angular displacement and the value of an initial state of an angular velocity, respectively, and respective impulse responses of the digital filters as additional input elements are added to an output terminal of the integral compensator. For higher effectiveness, internal state variables of the digital filters can desirably be cleared to zero whenever an angle (position) command data is received.
Owner:HITACHI SEIKO LTD

Lead bonding welding spot defect positioning and classifying method

The invention discloses a lead bonding welding spot defect positioning and classifying method. The method comprises the following steps: 1) obtaining a bonded welding spot image by using an industrialcamera; 2) carrying out initial positioning on an area where a welding spot is located by utilizing an algorithm based on pixel neighborhood variance; 3) removing redundant non-welding-spot areas byusing a gray projection algorithm; 4) performing primary extraction on a region where the welding spot is located by using a region growing algorithm, and performing defect segmentation by using a level set method on the basis; 5) extracting linearly separable main characteristics of the welding spots by utilizing kernel principal component analysis; and 6) sending the extracted main features to arandom forest classifier for defect type classification, and giving welding parameter adjustment suggestions according to multi-classification results. Compared with other welding spot detection technologies, the lead bonding welding spot defect positioning and classifying method based on image processing and machine learning has the advantages of being high in precision, high in speed, high in intelligent level and the like, and has great application prospects in actual electronic industrial production.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

Mixed positioning method and mixed positioning terminal

A mixed positioning method includes starting up normal assisting - positioning process first by mixed positioning terminal when positioning request sent from user is received, sending request of positioning assistance data and radio network cell identification number to server, catching satellite signal and measuring pseudo-distance by GPS signal receiver after assistance data is obtained, sending measured result and radio network cell identification number again to server then carrying out treatment on data by server. The mixed positioning terminal used for realizing said method is also disclosed.
Owner:孟详粤

Mobile phone positioning system and method

The invention discloses a mobile phone positioning system and a method. The method comprises the following steps that: a base station builds a database of longitudes and latitudes of the coverage area thereof; the base station receives the request of obtaining the position of the current mobile phone sent by a user and sends a distance measuring signal to the mobile phone, determines the distance between the mobile phone and the base station per ser according to the data stored in the database and the round-trip time of the distance measuring signal, further determines the longitude and latitude range of the mobile phone, sends the information of the longitude and latitude range of the mobile phone into the server to which the base station belongs; and the server computes the precise position of the mobile phone and sends the information of the precise position of the mobile phone into the mobile phone of the mobile phone user by the base station in the range thereof according to the information of the longitude and latitude range of the mobile phone which is received from the base station. The invention can realize the precision positioning of the mobile phone and has small expenditure and shorter positioning time.
Owner:INSPUR LG DIGITAL MOBILE COMMUNICATIONS CO LTD

Robot chess opening arranging method and system based on target outline and skeleton characteristics

The invention discloses a robot chess opening arranging method and system based on target outline and skeleton characteristics. In the method, a chess piece positioning and identifying method of primary coarse positioning, region segmentation, secondary accurate positioning and extraction based on the target outline and skeleton characteristics combined with a SVM multi-classifier part is provided, and the automatic arranging function at the opening stage of an intelligent chess robot is achieved. The system is formed by a common Chinese-chess chessboard, chess pieces, a uArm four-degree-of-freedom mechanical arm, a sucking disc, a camera, a light source, a control system based on a PC and the like; the whole system is simple in structure and easy and convenient to operate, the full-automatic arranging function of the robot can be completed before man-machine chess playing is conducted, and the system has the good stability in the relatively-complex environment.
Owner:HUNAN UNIV

Interaction teaching aid and construction method thereof

The invention discloses an interaction teaching aid and a construction method thereof, relating to the field of education and teaching aids, and providing a novel teaching aid for geography instruction in middle and primary schools. The interaction teaching aid mainly comprises a viewing screen or a display, a PC, a multifunctional three-dimensional globe and a timer shaft controller, wherein all components are connected in sequence, the PC storages multimedia geographic information, and the multifunctional three-dimensional globe is connected with the PC in a wired or wireless mode. The target geographic position is chosen in a projection display picture by rotating the three-dimensional globe; day and night alternative display is carried out by the cooperation of illumination and earth rotation; years and time can be chosen by dragging the timer shaft; a map can be magnified and reduced and the basic geography, such as obliquity of the ecliptic of earth, time zone conversion and the like can be displayed by touching and sliding the globe surface. The interactive display mode can vividly and interestingly introduce geography, promotes students to study and understand and improves the studying interest and passion of students.
Owner:上海复翔信息科技有限公司

Positioning device for clamping of arc-shaped wallboard

The invention discloses a positioning device for clamping of an arc-shaped wallboard, and belongs to the field of clamps. The positioning device comprises a vacuum chuck and a negative pressure sub-system. The vacuum chuck is connected with the negative pressure sub-system through vacuum air guiding pipes, and a pressure sensor is further arranged on each vacuum air guiding pipe. A pressing plate is further arranged on the periphery of the vacuum chuck. According to the positioning device, flexibility of vacuum adsorption and positioning of a rigid tool are combined, along with processing of wallboard grids, the rigidity of the wallboard is weakened, and the fit rate of the wallboard and the tool is increased, so that the fit rate at the finishing stage is the highest, and machining precision is guaranteed. By means of the positioning device, the problems that through a single-point-contact supporting mode, a cutter is prone to shaking when a product is processed to be thinned, and consequently the processing size is out of tolerance and chatter marks exist on a processed surface can be effectively solved, and the positioning device has the advantages that part clamping is convenient, positioning is accurate, and cost is low.
Owner:SICHUAN AEROSPACE LONG MARCH EQUIP MFG CO LTD

Antitheft system for motorcycle

The invention discloses an antitheft system for a motorcycle. The antitheft system comprises a GPRS (general packet radio service) transmission circuit, a GPS (global positioning system) positioning circuit, an anomaly detection circuit, an external alarm circuit, a power circuit, a Bluetooth circuit and a processor control circuit. The anomaly detection circuit is in communication connection with the processor control circuit, the processor control circuit is in control connection with the external alarm circuit, and the GPS positioning circuit and the external alarm circuit are in communication connection with external equipment by the GPRS transmission circuit or the Bluetooth circuit; the power circuit comprises an external power source, a built-in power source and a charging circuit. The antitheft system for the motorcycle has the advantages that the antitheft system is ultra-low in power consumption during sleep, has short positioning time of 1S during service and has a server APP (application) antitheft reminding function and a host module short-message reminding antitheft function, the power sources can be automatically switched over, built-in flash and fault diagnosis are integrated with each other, and firmware and flash firmware can be remotely upgraded.
Owner:桂凌云

Positioning method and system based on satellite base stations

ActiveCN105005061AThe process of avoiding reception of satellite signalsEasy to locatePosition fixationSatellite radio beaconingEnergy consumptionSatellite positioning
The invention discloses a positioning method and system based on satellite base stations, for solving the technical problems of long receiver calculation time, large energy consumption and positioning incapability at places with weak satellite signals when a conventional satellite positioning system carries out positioning. The method comprises the following steps: establishing the multiple satellite base stations covering a target area; a receiver obtaining positioning signals sent by the satellite base stations, wherein the positioning signals carry position information of the satellite base stations; according to the positioning signals, calculating the distances between the receiver and the satellite base stations; and according to the position information of at least two base stations and the distances from the at least two satellite base stations, calculating the position of the receiver.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Positioning method of indoor personnel

The invention relates to a positioning method of indoor personnel. The method specifically comprises the following steps: a, positioning the plane position of the indoor personnel by a stride frequency and stride method; b, positioning the plane position of the indoor personnel by a time-frequency transformation integral method; c, reading the altitude value Zi of the position of the indoor personnel detected by a pressure height sensor by a CPU (Central Processing Unit); d, fusing the personal position results obtained in the steps a and b; and finally, combining the altitude value Zi of the indoor personnel at the ith moment obtained by the step c to obtain a three-dimensional spatial position (Xi, Yi and Zi) of the indoor personnel at the ith moment as a positioning result of the three-dimensional space to position the indoor personnel. The positioning method provided by the invention measures the position information of the personnel in real time by means of the sensor which measures data such as pressure, motion acceleration and azimuth angle in real time, so that the method is not only high in positioning precision, but also high in reliability.
Owner:南京巴乌克智能科技有限公司

Polyurethane moisture-curable hot-melt edge sealing adhesive, and preparation method and application thereof

The invention belongs to the technical field of chemical adhesives, and relates to a polyurethane moisture-curable hot-melt edge sealing adhesive and a preparation method thereof. Based on weight part, the polyurethane moisture-curable hot-melt edge sealing adhesive comprises the following components: a polyester polyol mixture, diphenylmethyl diisocyanate, a plasticizer, a chain extender and a tackifying resin, wherein the polyester polyol mixture has the relative molecular weight of 1,000-7,000 and is one or more of PHL-1600, PH-2000, CMA-1044 and CMA-44; and the polyurethane moisture-curable hot-melt edge sealing adhesive does not contain any organic solvent, has the solid content of 100 percent, is short in positioning time, quickly and accurately adhere between a decorative film and a to-be-decorated base material, has high adhesive strength and high peel strength, can prevent the influence of water and other adverse environmental factors, has a flexible and elastic adhesive layer and can resist mechanical impact of edge parts in the subsequent polishing decoration process.
Owner:舒跃辉

Positioning method suitable for underground targets of coal mine

ActiveCN103582120AMeet the requirements of the positioning systemHigh positioning accuracyPosition fixationWireless communicationPositioning systemCoal
The invention discloses a positioning method suitable for underground targets of a coal mine. The positioning method comprises the following steps that first, a positioning area is divided into N positioning datum points i, wherein N is an integer larger than 0; second, the RSSISample of the 'fingerprint feature' of each positioning datum point is sampled; third, collected RSSISample values are filtered to generate the 'fingerprint feature'; fourth, positioning algorithm operation is conducted based on the filtered 'fingerprint feature' in the third step; fifth, errors are analyzed, and a result is output. According to the 'fingerprint feature' positioning method for the underground targets of the coal mine based on the RSSI values, experiments show the effectiveness and the feasibility of an algorithm, high robustness is achieved for environmental conditions, positioning precision and system real-time performance can also meet the requirement of a coal mine positioning system, and important practical significance is achieved for guaranteeing coal mine safety production.
Owner:CHINA UNIV OF MINING & TECH

A desktop automatic test development method and system

The invention discloses a desktop automatic test development method and system. The system comprises a locator developed in C + + language, a dynamic link library dll developed in C language and C + +language and exposing C language interface, and a kernel developed in C + + language for generating an exe file. The invention can efficiently position desktop elements by improving the search algorithm only requiring four elements, and the 4 elements can be identified by specially developed locators, which is much better than the same kind of software autoit abroad and can be more accurate in location and recognition. The invention also overcomes the problem that the scope of the Webdriver is only limited to the part of the browser webpage display area, and the part beyond the webpage area can be controlled. The invention can support various languages, such as C + + language, Java language, C# language, Python language and other mainstream test development common languages.
Owner:陈希

Wheel drilling machine

The invention discloses a wheel drilling machine which comprises a wheel traveling mechanism, a drilling rod assembly, a drilling machine loading mechanism and a hydraulic control mechanism. The hydraulic control mechanism comprises an oil pump and a multi-path control valve. The wheel traveling mechanism is arranged in hinged mode, and accordingly a drilling rod can perform positioning and drilling fast and accurately. A diesel engine supplies power to the wheel drilling machine, and the wheel drilling machine is self-propelled. Hydraulic oil reaches the multi-path control valve through a gear pump, and the multi-path control valve can carry out six groups of movements, namely vertical lifting, supporting legs, back-and-forth inclining, left-and-right moving, drilling and core pushing. The wheel drilling machine solves the problems that the existing drilling machine is inflexible in angle adjusting, inaccurate in positioning and much in manpower consumption.
Owner:CHONGQING HONGGONG INSTRUCTIONAL MACHINE

Method and system for positioning eyes

The invention provides a method and system for positioning eyes. The method includes the steps that a plurality of images are preprocessed and then serve as input samples, and a plurality of eye position coordinates are preprocessed and then serve as target samples; a combined classifier is trained by means of the input samples and the target samples; images to be positioned are preprocessed and then input to the combined classifier, so that eye position coordinates corresponding to the images to be positioned are obtained. According to the method and system, the eyes can be positioned quickly and accurately.
Owner:北京海鑫科金高科技股份有限公司

Metal adhesive and preparation method thereof

The invention discloses a metal adhesive and a preparation method thereof. The metal adhesive comprises, in parts by weight, 10-30 parts of E-51 epoxy resin, 5-12 parts of polyurethane formate, 10-30 parts of methyl propylene glycol diester, 2-8 parts of polyethylene, 1-5 parts of epoxypropane phenyl ether, 5-8 parts of barium phenolic resin, 3-7 parts of 8-hydroxyquinoline, 1-5 parts of hexamine, 2-6 parts of nitrile rubber, 2-8 parts of tricresyl phosphate, 1-5 parts of aluminium oxide, 1-4 parts of polysulfide rubber, 1-3 parts of attapulgite, 2-5 parts of polyvinyl butyral, 3-7 parts of diethylenetriamine, 2-9 parts of ethanediamine, 5-15 parts of triethanolamine and 10-20 parts of acetone. The preparation method comprises the following steps of mixing the constituents except polyvinyl butyral, heating and then adding polyvinyl butyral, and cooling to obtain the metal adhesive. The metal adhesive disclosed by the invention is short in positioning time, good in storage stability, and good in adhesion performance.
Owner:YUEYANG PENGCHENG TECH DEV

Device and method for machine control

A data set (D) is provided for machine control of a grinding machine to determine time-efficient, collision-free travel paths. The data set has a collision parameter of “0” or “1” in each separate coordination point (X, Y, Z, A) as well as for each combination of the separated tool types (WZI) and workpiece types (WSJ). The collision parameter indicates if the constellation assigned to the corresponding coordination point (X, Y, Z, A), which means the relative position of workpiece (11) and tool (3), does or does not result in a collision or spatial overlapping of the tool and the workpiece. The data base (D) forms a lookup table that can be used to check given paths or expansions or the step-by-step layout of paths. The computation of time-efficient paths can be performed within a few seconds, even at limited computing capacities.
Owner:WALTER MASCHINENBAU GMBH

Portable percutaneous puncture locating device and locating method implemented via device

The invention discloses a portable percutaneous puncture locating device and a locating method implemented via the device. The device comprises a locating frame, a rotary piece and a scale ring, wherein an arc-shaped groove is formed in one end of the locating frame, and angle scales, along the circumferential direction of the arc-shaped groove and the outer wall surface of the scale ring, are arranged on the outer wall surface of the end; the rotary piece comprises a locating end and a rotating end; the locating end of the rotary piece is overlapped with the circle center of the arc-shaped groove; a power unit, by which the locating end of the rotary piece can be driven to rotate, is arranged in the locating frame; the rotary piece can move along a radial direction of the arc-shaped groove; one end of the scale ring is connected to the rotary piece, so that a plane where the scale ring is located is perpendicular to a plane where the end of the locating frame is located; a guide blockis connected to the scale ring; a guide hole, in which a puncture needle is inserted, is formed in the guide block; and a central shaft of the guide hole points to the circle center of the arc-shapedgroove. The puncture guidance device provided by the invention is simple in structure, easy to disinfect and low in cost; and the device is simple and convenient to operate and relatively short in locating duration, and radiation quantities to a patient and operators can be reduced.
Owner:贾志强

Automatic positioning equipment for body-in-white stamping part

The invention aims to provide automatic positioning equipment for a body-in-white stamping part. A framework of which the top inclines upwards from front to back is arranged; third supporting wheel mechanisms, second supporting wheel mechanisms, first supporting wheel mechanisms and fourth supporting wheel mechanisms are arranged, wherein the top ends of the third supporting wheel mechanisms, the top ends of the second supporting wheel mechanisms, the top ends of the first supporting wheel mechanisms and the top ends of the fourth supporting wheel mechanisms form an inclined surface inclines downwards from left to right, and the third supporting wheel mechanisms, the second supporting wheel mechanisms, the first supporting wheel mechanisms and the fourth supporting wheel mechanisms are used for supporting the stamping part; first guiding wheel mechanisms and second guiding wheel mechanisms are arranged for conducting limiting guiding on the stamping part; and thus, the stamping part slowly rolls to the reference position finally, and the positioning requirement is met. Flexibly positioning is adopted without driving, the positioning time is short, the structure is simple, faults are small, and the operation time is short; and the precision is high, the equipment investment cost of manufacturing of multiple vehicle models and the labor investment cost are greatly reduced.
Owner:ANHUI RUIXIANG IND
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