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228results about How to "To achieve the purpose of positioning" patented technology
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Production line and production method for steel structure plates
ActiveCN104405073AImprove stabilityReduce welding errorsConstruction materialOther manufacturing equipments/toolsProduction lineMetallurgy
The invention discloses a production line and production method for steel structure plates. The production line comprises a panel production line for processing panels, a double-end saw used for cutting standard materials, a steel structure forming production line used for steel structure processing, a welding operation station used for welding steel frame structures, and a plate nailing production line used for combining the steel structure plates. The production line for steel structure plates, provided by the invention, has the characteristics of high automation degree, and stable quality of produced steel structure plate products.
Owner:广东耀达房屋科技股份有限公司
Annular lower floating body semi-submersible platform
InactiveCN102963507ALarge heave stiffnessLarge recovery moment of inertiaFloating buildingsAnchoring arrangementsMarine engineeringEngineering
The invention discloses an annular lower floating body semi-submersible platform. The annular lower floating body semi-submersible platform is provided with a lower floating body (1) and an upper ship body (2) which are connected through stand columns (3), wherein the lower floating body (1) is a regular hexagonal annular column body; the stand columns (3) are pentagonal column bodies and are uniformly distributed on the six corners of the lower floating body (1); the upper ship body (2) is a hexagonal frustum with a flare; and a moon pool (9) is arranged in the center of a box-type deck (8) of the upper ship body (2). The annular lower floating body semi-submersible platform is excellent in motion performance, has the characteristic of unconditional stability, is wide in application range of operation water depth, good in overall structure strength, light in weight, low in manufacturing cost and low in operation energy consumption, and can be applied to deepwater oil and gas exploitation under harsh marine environment conditions.
Owner:DALIAN SHIPBUILDING IND
Large-scale energy-efficient high-efficiency cone crusher
The invention relates to a large-scale energy-efficient high-efficiency cone crusher, which comprises a rack, an upper lining plate, a lower lining plate, an electromotor, a transmission device, a crushing cone mechanism and a crushing cavity control mechanism, and is characterized in that the crushing cavity control mechanism consists of a feed hopper, a supporting sleeve, an adjusting sleeve, an outer gear ring, a push cylinder, a locking ring, 16 locking cylinders, 8 hydraulic cylinders and 4 jacks, wherein the supporting sleeve is movably connected to the rack, the adjusting sleeve is in threaded connection into the locking ring and the supporting sleeve, the 16 locking cylinders are all arranged on the supporting sleeve, the feed hopper is fixedly arranged on the adjusting sleeve, the outer gear ring is fixedly arranged on the feed hopper, and the push cylinder and the outer gear ring are matched; lifting ends of the 4 jacks are all supported against the bottom surface of a flange ring of the supporting sleeve; the crushing cone mechanism consists of an eccentric sleeve, a cone gear, an eccentric shaft, a crushing cone, a bowl-shaped bearing and a bowl-shaped bearing sealing ring. According to the large-scale energy-efficient high-efficiency cone crusher, the size of a crushing cavity and the size of a throat can be adjusted, and the cavity cleaning operation is convenient.
Owner:海盐机械厂 +1
Positioning method and device
InactiveCN105101082ATo achieve the purpose of positioningReduce mistakesLocation information based serviceReal-time computingSignal intensity
The embodiment of the invention relates to the technical field of communications, in particular to a positioning method and device, which are used for implementing indoor positioning of persons. In the embodiment of the invention, according to received K signal intensity information of a to-be-positioned terminal and position information of K access points corresponding to the K signal intensity information of the to-be-positioned terminal, initial position information, corresponding to a first time, of the to-be-positioned terminal is determined, thereby realizing a purpose of positioning an indoor person; furthermore, according to identification of the to-be-positioned terminal, position information of the to-be-positioned terminal at a time before N moments of the first time is obtained, and the initial position information of the to-be-positioned terminal at the first time and the position information of the to-be-positioned terminal at the time before the N moments of the first time are subjected to weighting summation, thereby obtaining position information of the to-be-positioned terminal at the first time; therefore, the initial position information of the to-be-positioned terminal at the first time is optimized, and the accuracy of positioning the indoor person is further improved.
Owner:QINGDAO HISENSE TRANS TECH
Method for positioning mobile intelligent devices within short distance
InactiveCN103776447AUnstoppableNot easily blockedNavigation by speed/acceleration measurementsUsing reradiationTelecommunications linkShortest distance
The invention provides a method for positioning mobile intelligent devices within a short distance, and can solve the problem that the accurate positioning among mobile intelligent devices is performed by relying on external positioning devices such as GPS, Cell-ID, and Wifi currently. The method is characterized in that at least one user A requested to be positioned holds a mobile intelligent device a, at least one user B requesting for positioning holds a mobile intelligent device b, a wireless communication link is established between the mobile intelligent device a and the mobile intelligent device b through a built-in wireless short-distance communication module and can be used for carrying out data transmission, the two mobile intelligent devices respectively record moving distances and moving directions of the users in a step recording mode through a built-in direction sensor and a three-axis acceleration sensor, and according to received signal strength of the mobile intelligent device a at the moments T1, T2 and T3, the moving distances and direction vectors of the mobile intelligent devices a and b during the T1-T2 time period and the T2-T3 time period, the relative positions of the users A and B requested to be positioned are calculated at the moments T1, T2 and T3, and the relative positions are displayed on the mobile intelligent device b.
Owner:北京知势技术服务有限公司
Navigation positioning method for tour inspection robot of transformer substation
ActiveCN104571103ATo achieve the purpose of trackingTo achieve the purpose of positioningPosition/course control in two dimensionsTransformerEngineering
The invention discloses a navigation positioning method for a tour inspection robot of a transformer substation. The imaging positions of tracking navigation lamps in an infrared thermal imager are detected, so that the moving direction of a trolley is determined, and the aim of tracking is fulfilled; in order to position the robot in a moving process, a cradle head is horizontally rotated until an image of a positioning navigation lamp in the infrared thermal imager is in the center, the distance to the next fixed point is calculated according to the horizontal rotating angle of the cradle head and the moving distance of the trolley is calculated according to the sizes of images of the tracking navigation lamps in the infrared thermal imager, so that the aim of positioning is fulfilled.
Owner:STATE GRID CORP OF CHINA +3
Hybrid positioning method and positioning system thereof
InactiveCN102355726AEasy accessAccurate acquisitionWireless communicationPacket data serving nodeApplication server
The invention discloses a hybrid positioning method and a positioning system thereof. The hybrid positioning system comprises a mobile station (MS), a base transceiver station (BTS), a base station controller (BSC), a packet data service node (PDSN), a position determining entity (PDE), an application server (AS) and a mobile positioning center (MPC), wherein the MS is communicated with the BSC and the PDE through the BTS, the PDE is interconnected with the PDSN, and the PDE is communicated with the AS, the MPC and the BSC. The hybrid positioning method and the positioning system thereof disclosed by the invention provide a scheme for signaling interaction between the MS and the PDE based on a TCP / IP network so as to achieve the purpose of positioning. In the scheme, different positioning methods are adopted according to the environment of the MS so as to quickly and accurately acquire the position information of the MS.
Owner:JIANGSU LAIKE INFORMATION TECH
Spectroscope type corona ultraviolet detector
InactiveCN103105567ATo achieve the purpose of positioningSmall field of viewTesting dielectric strengthPhotometry using electric radiation detectorsWave bandOptical axis
The invention discloses a spectroscope type corona ultraviolet detector. The spectroscope type corona ultraviolet detector comprises a telephoto lens, a spectroscope, an ultraviolet detector, an ultraviolet signal processing circuit, a liquid crystal display screen, an area array charge coupled device (CCD) and an image processing circuit. The telephoto lens and the area array CCD share the same optical axis, the spectroscope is arranged between the telephoto lens and the area array CCD, a 45-degree included angle is formed between a mirror face of the spectroscope and the optical axis of the ultraviolet detector, and the spectroscope 2 adopts a lens which can be transmitted by visible light of 380-760nm wave band so that ultraviolet light of 100-380nm wave band can be reflected. Light rays transmitting the telephoto lens are divided into two branches by the spectroscope, one branch is ultraviolet light, and the other branch is visible light. The ultraviolet is reflected on a photosensitive face of the ultraviolet detector through the spectroscope, and the other branch of the visible light emits on a photosensitive face of the area array CCD 6 after being transmitted by the spectroscope. The spectroscope type corona ultraviolet detector has the advantages that imaging display of a discharging insulator can be achieved, meanwhile, discharging ultraviolet radiation intensity can be displayed, and therefore the purpose of accurate positioning of a discharging position of the discharging insulator can be achieved.
Owner:NINGBO UNIVERSITY OF TECHNOLOGY
Mechanical electrical positioning device
InactiveCN108705477ARealize positioning workTo achieve the purpose of positioningWork holdersLocking mechanismElectrical devices
The invention discloses a mechanical electrical positioning device which comprises a bottom plate. Two symmetrically-arranged vertical columns are fixedly connected to the upper side wall of the bottom plate, and a supporting plate is fixedly connected between the two vertical columns. An air cylinder is arranged below the supporting plate and fixedly connected with the upper side wall of the bottom plate. The output end of the air cylinder is fixedly connected with a telescopic rod, and the upper end of the telescopic rod is fixedly connected with a moving rod which is slidably connected withtwo symmetrically-arranged sliding blocks in a sleeved mode. A first rotating rod and a second rotating rod are rotationally connected to each sliding block, and fixing blocks are fixedly connected to the side walls of the sides, close to each other, of the two vertical columns correspondingly and located above the moving rod. The mechanical electrical positioning device has the advantages that through arrangement of a clamping mechanism, the mounting positioning effect on mechanical electrical equipment can be achieved, waggle of the equipment in the mounting process is reduced, and thus themounting error is avoided; and through arrangement of idler wheels, device transferring is facilitated, and through arrangement of a locking mechanism, the whole device can be fixed.
Owner:YELLOW RIVER CONSERVANCY TECHN INST
Tunnel positioning method and device
ActiveCN105407530ATo achieve the purpose of positioningPosition fixationWireless communicationEnvironmental geology
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD
Locating mechanism
The invention relates to a locating mechanism. A lifting air cylinder fixing board of the locating mechanism is arranged at the bottom of a bottom board, and a cam lifting air cylinder is arranged on the lifting air cylinder fixing board; a lifting rod of the cam lifting air cylinder penetrates through the bottom board and is connected with a cam; the bottom board is fixedly provided with a cam baffle provided with a sliding rail, the cam is provided with a sliding board, and the sliding rail and the sliding board are arranged together in a matched mode; a pushing rod supporting board is arranged on the bottom board and provided with a linear bearing, the left end of a pushing rod is provided with an idler wheel through a rotary shaft, and the right end of the pushing rod penetrates through the linear bearing; the bottom board is further fixedly provided with a baffle block preventing the pushing rod from swinging; the cam lifting air cylinder acts to lift the cam along the sliding rail of the cam baffle, the cam makes contact with the idler wheel, the idler wheel rolls to enable the pushing rod to move forwards in the direction of the linear bearing, and a product is abutted to be located. According to the locating mechanism, the pushing rod can not swing, locating accuracy is achieved, and quality of the pressed product is high.
Owner:BOZHON PRECISION IND TECH CO LTD
Mobile phone with navigation feature and positioning method thereof and corresponding system
InactiveCN101583079ATo achieve the purpose of positioningFast positioningPosition fixationLocation information based serviceUser needsDatabase server
The invention discloses a mobile phone with navigation feature and a positioning method thereof and a corresponding system, and comprises an outdoor road sign, a mobile phone, a network side database server and a network side management module, wherein the outdoor road sign is loaded with the code of a national geographic information band; when the users need to carry out positioning by the outdoor road sign, the mobile phone obtains the code of the information band which is loaded on the road sign by scanning, and then obtains corresponding position information data from the network side database server according to the decoded and analyzed information of the information band, and later analyzes the position information from the position information data and displays and / or reports the position information to the users; and the network side management module carries out coding to the information band and makes the coding on the outdoor road sign, and then stores the position information data relating to the information of the information band in the network side database server. The invention does not need a satellite to achieve positioning, thereby lowering the cost and speeding up the positioning.
Owner:ZTE CORP
Crushing cavity control mechanism for cone crusher
The invention relates to a crushing cavity control mechanism for a cone crusher. The crushing cavity control mechanism comprises a feed hopper, an upper lining plate and a main rack, and is structurally characterized by further comprising a supporting sleeve, an adjusting sleeve, an external gear ring, a pushing cylinder, a locking ring, 16 locking cylinders, 8 hydraulic cylinders and 4 jacks, wherein the supporting sleeve is movably connected to the main rack, the locking ring is movably connected to the supporting sleeve, the adjusting sleeve is in threaded connection into the locking ring and the supporting sleeve, the 16 locking cylinders are all arranged on the supporting sleeve, hydraulic cylinder bodies in the 8 hydraulic cylinders are all fixedly arranged on the main rack, the feed hopper is fixedly arranged on the adjusting sleeve, the outer gear ring is fixedly arranged on the feed hopper, the pushing cylinder is arranged on the supporting sleeve, the 4 jacks are all arranged on the main rack, and lifting ends of the 4 jacks are all supported against the supporting sleeve. According to the crushing cavity control mechanism, the size of a crushing cavity can be conveniently and efficiently adjusted; the size of a throat can be controlled; equipment can be effectively protected from being damaged when uncrushable objects enter the crushing cavity.
Owner:海盐机械厂 +1
Corona ultraviolet detecting device capable of locating and measuring distance
ActiveCN103149509ATo achieve the purpose of positioningTesting dielectric strengthCamera lensData display
The invention discloses a corona ultraviolet detecting device capable of locating and measuring distance. The corona ultraviolet detecting device capable of locating and measuring the distance comprises an ultraviolet camera lens, an ultraviolet detector, a signal processing circuit, a data displayer and a laser viewer. The optical axis of the ultraviolet camera lens and the optical axis of the ultraviolet detector are the same. A laser device base seat is installed on the ultraviolet camera lens in a sleeved mode. A visible laser and a laser back wave probe are installed on the laser device base seat. The laser back wave probe is located right above the visible laser. The laser back wave probe is close to the visible laser. The visible laser is electrically connected with the signal processing circuit through a laser distance measurement circuit. The laser back wave probe is connected with the signal processing circuit through the laser distance measurement circuit. Outgoing light beams of the visible laser are close to and parallel to the optical axis of the ultraviolet lens. The corona ultraviolet detecting device capable of locating and measuring the distance has the advantages of being capable of rapidly finding an appropriate portion, where discharging occurs, of an insulator, or finding which insulator is discharged, achieving the aims that discharging positions of the insulator are located, being capable of obtaining parameters of distance measurement, and obtaining ultraviolet radiation intensity by combination of the distance measurement.
Owner:NINGBO LIGHT PUPIL PHOTOELECTRIC SCI & TECH CO LTD
Unmanned vehicle monocular vision positioning method based on image characteristic dimensionality reduction
InactiveCN107221007ALow costTo achieve the purpose of positioningImage analysisGeometric image transformationFeature vectorNonlinear dimensionality reduction
The invention relates to an unmanned vehicle monocular vision positioning method based on image characteristic dimensionality reduction. The method comprises steps that 1), global characteristic description of all input images is carried out through a depth convolutional neural network DCNN, and a third convolutional layer is further extracted as an image characteristic vector; 2), a principal component analysis algorithm is employed, multiple times of training and test are employed, and dimensionality reduction of all the image characteristic vectors is carried out to acquire an image characteristic vector after dimensionality reduction and a repeatedly-usable dimensionality reduction model. Compared with the prior art, the method is advantaged in that sensor cost is low, an application scope is wide, and strong robustness, faster operation speed and reduced false-positioning probability are realized.
Owner:TONGJI UNIV
Bulk cargo yard stacker-reclaimer positioning method based on point cloud data processing technology and system for realizing same
ActiveCN106022694AOvercoming Measurement ErrorsOvercome calculation errorsImage enhancementImage analysisBulk cargoPoint cloud
The invention provides a bulk cargo yard stacker-reclaimer positioning method based on point cloud data processing technology and a system for realizing same. The method comprises the steps of acquiring the point cloud data of the bulk cargo yard, performing gridding on the point cloud data, representing elevation values of the grids by means of gray values for obtaining an elevation diaphragm, performing mathematical morphological operation on the elevation diaphragm, calculating a difference between expansion operation and corrosion operation for obtaining mathematical morphological gradient data; performing binaryzation, performing mathematical morphological open-and-close operation for obtaining position information, and realizing a purpose of positioning the stacker-reclaimer in the bulk cargo yard. The method of the invention has advantages of accurately and quickly extracting position of the stacker-reclaimer in the bulk cargo yard, realizing a purpose of positioning the stacker-reclaimer in the bulk cargo yard, realizing no requirement for artificial observation, and obtaining high accuracy.
Owner:YANSHAN UNIV +1
Visible light indoor positioning system and method based on mobile phone camera
PendingCN111103579AControl high-speed flashingHigh clarityElectromagnetic wave reradiationMicrocontrollerData stream
The invention discloses a visible light indoor positioning system and method based on a mobile phone camera. The system comprises a sending terminal subsystem and a receiving terminal subsystem, the sending terminal subsystem comprises a microcontroller, a serial port module, a buffer circuit, an LED drive circuit and an LED light source which are connected in sequence, and the receiving terminalsubsystem comprises a mobile phone with a camera and an indoor positioning module. Firstly, position coordinate information to be transmitted is encoded through the microcontroller; the encoded data stream is cached and then input into the input port of the LED drive circuit, the LED light source is controlled to flicker at a high speed, then light emitted by the LED light source is photographed through a mobile phone to obtain a stripe image with light and shade changes, a dynamic threshold is generated through curve fitting after image clustering to judge whether the information representedby the current brightness is '0' or '1', and coordinate information is obtained through decoding. The method is high in reliability and relatively high in anti-interference capability.
Owner:CHANGAN UNIV
Computer cabinet manufacturing and machining auxiliary device
ActiveCN111570609AIncrease gravityHigh pressurePerforating toolsMetal-working feeding devicesPunchingWorkbench
The invention relates to a computer cabinet manufacturing and machining auxiliary device. The computer cabinet manufacturing and machining auxiliary device comprises a workbench, a belt conveyor, a punching device and a grinding device; the belt conveyor is installed at the upper end of the left side of the workbench, the punching device is installed at the right end of the belt conveyor, the grinding device is installed at the right end of the punching device, and the punching device comprises an inverted-L-shaped plate, an electric air cylinder, a lead block plate, a supporting plate, a punching frame and a positioning frame. According to the computer cabinet manufacturing and machining auxiliary device, the belt conveyor is matched with the punching device, a plate is conveyed to the punching device to be punched, the belt conveyor is matched with the grinding device, the punched plate is extruded while the next plate is conveyed, the punched plate moves to the grinding device to beground, burrs and chippings on the inner wall and the surface of a hole machined in the plate are removed, and a fixing device does not need to be additionally arranged to fix the plate in the wholeprocess.
Owner:SHANDONG POLYTECHNIC COLLEGE
Nailing machine of steel-structured plates and nailing method thereof
ActiveCN104668610AWill not interfere with each otherEasy accessWork clamping meansPositioning apparatusEngineeringSteel frame
The invention discloses a nailing machine of steel-structured plates and a nailing method thereof. The nailing machine comprises a base, a conveyor composed of a plurality of rollers, a floating jig capable of floating up and down, slide guides disposed on two sides of the base, a plurality of cross beams, a drilling and nailing unit, and positioning cylinders. The cross beams slidably connected with two sides of the base can slide along the slide guides. The drilling and nailing unit is slidably connected to the cross beams. Two of the positioning cylinders are disposed in front and rear of the floating jig. Other two of the positioning cylinders are disposed on two sides of the floating jig. The nailing machine is characterized in that the drilling and nailing unit comprises a presser beam used for compressing a top plate to a steel frame. By the use of the nailing machine in nailing plates, the plates can be precisely positioned; the needs for nailing plates different in width and type are met; quality of the steel-structured plates is improved.
Owner:广东耀达房屋科技股份有限公司
Iron part spraying tool equipment
InactiveCN105773475AEasy to removeReduce operating intensityWork holdersEngineeringHeight difference
Disclosed is iron part spraying tool equipment. The iron part spraying tool equipment is mainly composed of an upper plate and a lower plate in an up-down overlapped-combined mode. The upper plate and the lower plate are attached to each other in a pressed mode through at least two pressure springs. The upper plate and the lower plate are fixedly arranged and located through straight guide pillars used for guide pillar locating holes and made to be only separated and combined up and down. The lower plate is provided with blind holes internally containing fixed strong magnets. In addition, two handles which are fixed to the upper plate and the lower plate correspondingly and have a certain height difference are installed on the left side and the right side of the upper plate and the lower plate correspondingly. The upper plate is made of a bakelite board. The lower plate is made of an aluminum plate. The strong magnets are located in the blind holes between the upper plate and the lower plate. The iron part spraying tool equipment has the characteristics of being simple in structure, convenient and reliable to use, high in efficiency, high in work accuracy, low in worker labor intensity and the like.
Owner:ZHEJIANG BOOM AUTO RUBBER PART CO LTD
Working face equipment positioning system based on image measurement
ActiveCN103912296ATo achieve the purpose of positioningPrecise positioningSlitting machinesControl devices for conveyorsEnvironment effectEngineering
Disclosed is a working face equipment positioning system based on image measurement. Working face equipment includes a coal mining machine, a hydraulic support set and a scraper conveyer. The hydraulic support set includes a plurality of hydraulic supports; each hydraulic support is provided with a camera. The scraper conveyer is provided with a first video recognition tape. A second video recognition tape is arranged in front of the hydraulic support set. Each camera has an installation angle so that the first and second video recognition tapes in a video collection area. The working face equipment positioning system is high in positioning speed and high in positioning accuracy and precision and experiences low environmental influence, regulations are made directly according to positions of devices, what you see is what you get, middle links are few, and the adverse influence of the traditional sensor method upon positioning of data transferring errors is avoided.
Owner:BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD
Working face equipment positioning method based on image measurement
ActiveCN103912275AReduce the impactTo achieve the purpose of positioningSlitting machinesEnvironmental effectControl system
The invention relates to a working face equipment positioning method based on image measurement, which comprises the following steps: arranging a camera on a hydraulic support, arranging a first video identification zone on a scraper plate transporter, arranging a second video identification zone at the front of a hydraulic support set, arranging a third video identification zone on a coal cutter, connecting the camera with a working face electro-hydraulic control system; performing real-time monitoring on the first video identification zone, the second video identification zone and the third video identification zone by the camera, transmitting the monitored image to the working face electro-hydraulic control system; determining and analyzing the relative position relation of the first video identification zone, the second video identification zone and the third video identification zone in the monitoring image by the working face electro-hydraulic control system, and then regulating the working face equipment. According to the invention, the positioning is rapid and accurate, the precision is high, the influence due to environment is little, the motion adjustment is directly carried out according to the equipment position, what you see is what you get, the intermediate link is less, and the unfavorable influence of data transmission error to positioning by a traditional sensor employment mode is avoided.
Owner:BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD
Music device for mental regulation
InactiveCN108434578AEasy to assemble and disassembleEasy maintenanceSleep inducing/ending devicesMusical controllerEngineering
Owner:徐荃
Positioning method, device and system based on visible light communication
InactiveCN107105408ATo achieve the purpose of positioningImprove positioning accuracyClose-range type systemsLocation information based serviceGeolocationComputer terminal
The invention discloses a positioning method, device and system based on visible light communication, and aims at solving the problems that a present mobile positioning method is relatively low in positioning accuracy and narrow in suitable range. The method comprises that a mobile terminal receives a light signal emitted by a visible light source, and the light signal carries an identification for representing the position of the visible light source; the received light signal is parsed by utilizing a preset algorithm, and the identification carried in the light signal is determined; and geographic position information corresponding to the identification is searched from, and serves a positioning result of the mobile terminal.
Owner:DONGGUAN XINDA INST OF INTEGRATED INNOVATION +1
Pipe column recognition and collar positioning device and method for iron roughneck
PendingCN109488230ATo achieve the purpose of identificationTo achieve the purpose of positioningDrilling rodsDrilling casingsRoughneckFront cover
The invention relates to a pipe column recognition and collar positioning device and method for an iron roughneck. The device is structurally characterized in that a displacement sensing part consistsof a displacement sensor and a magnetic ring, and a mounting assembly is formed by assembling of a front cover, two cover plates, two side plates and a rear cover; the displacement sensor is mountedon the rear cover, the magnetic ring is mounted at the rear end of a sleeve of a slide assembly, the sleeve of the slide assembly penetrates a front cover mounting hole, a spring is mounted between the front cover and the rear cover, and the sleeve and a measuring rod of the displacement sensor are both inserted into the sleeve; the measuring rod of the displacement sensor senses the position of the magnetic ring to determine displacement change of the slide assembly relative to the mounting assembly. In use of the device, the mounting assembly is mounted at the bottom of a clamp of the iron roughneck, and the device extends towards a station positioning position along with a jaw of the iron roughneck to realize pipe column recognition. In a process of extending of the device along with the iron roughneck and lifting, pipe column recognition and collar end face positioning are realized.
Owner:HUBEI JIANGHAN GASOLINEEUM INSTR & METER
Positioning method based on smart LED lamps
The invention discloses a positioning method based on smart LED lamps. According to the method, one or more LED lamps are mounted indoors, a shadow bar with standard length is vertically mounted on anobject to be positioned, a horizontal projection disc is horizontally arranged under the shadow bar, a shadow can be projected on the projection disc by the shadow bar when LED lamps emit light, theposition of the object relative to the LED lamp can be calculated by measuring length and angle of the shadow of the shadow bar under the condition of knowing coordinate position and height of the lamps and height of the shadow bar, and the purpose of positioning is achieved. On the basis of the characteristics of short response time, adjustable drive current and easy modulation of the LED lamps,the LED lamps are respectively and alternately lighted by high-pulse current produced by a control circuit in a short time, and corresponding shadows are measured, so that the problem of ghosting of multiple shadows when the multiple LED lamps are lighted simultaneously can be solved.
Owner:DONGGUAN GUANGJIN PHOTOELECTRIC
Positioning method and device, storage medium and processor
ActiveCN111541986ATo achieve the purpose of positioningImprove matching accuracyLocation information based serviceLongitudeEngineering
The invention discloses a positioning method and device, a storage medium and a processor. The method comprises the steps: acquiring a positioning request of a to-be-positioned point , wherein the positioning request at least comprises feature information of the to-be-positioned point; determining a positioning parameter corresponding to the to-be-positioned point according to the feature information; analyzing the positioning parameters according to a random forest regression model, acquiring longitude and latitude coordinates of the to-be-positioned point, and acquiring the random forest regression model by training at least one set of training data through machine learning, wherein each set of training data comprises the positioning parameters and the longitude and latitude coordinates.The technical problem of low positioning precision in the prior art is solved.
Owner:BEYONDSOFT CORP
Prefabricated composite floor slab fixing mounting construction method
ActiveCN111042548AEven by forceTo achieve the purpose of positioningBuilding material handlingHydraulic cylinderFloor slab
The invention relates to a prefabricated composite floor slab fixing mounting construction method. Equipment adopted by the method comprises a moving device, a hydraulic cylinder, a positioning deviceand a fixing device, wherein the hydraulic cylinder is fixedly installed at the upper end of the moving device, the positioning device is fixedly installed at the upper end of the hydraulic cylinder,the fixing device is fixedly installed at the front end of the positioning device, the positioning device comprises a fixing plate, an electric push rod, a supporting plate, balls, a rubber plate anda positioning block, and the fixing device comprises a telescopic support, a rectangular long plate, a small motor, a rotating frame, a first gear, a second gear and a lifting rope frame. According to the method, through cooperation between the positioning device and the fixing device, a composite floor slab is stressed evenly in the whole moving and fixing mounting process, the surface is not damaged, and through cooperation among the moving device, the positioning device and the fixing device, the equipment can freely move in a small working space, so that the purpose of positioning the composite floor slab is achieved.
Owner:浙江光明建筑科技有限公司
Adjusting device for front and back positions of automobile seat
The invention discloses an adjusting device for front and back positions of an automobile seat. The adjusting device comprises an adjusting handle, a guide rail, a slide base and a linking clamping component, wherein the guide rail is arranged on an automobile; a plurality of blocking slots are formed in the inner side of the guide rail at intervals; the slide base is positioned on the upper side of the corresponding guide rail in a sliding form; the automobile seat is detachably fixed on the upper side of the slide base; a positioning shaft, a fastener and an avoiding notch are arranged on the slide base; the linking blocking component comprises a connecting clamping plate and an elastic connecting rod; one end of the connecting clamping plate is detachably connected with the elastic connecting rod; a clamp is arranged at the end; the other end of the connecting clamping plate is positioned on the positioning shaft in a rotating form; the elastic connecting rod is fixedly arranged on the fastener; the clamp passes through the avoiding notch and is clamped in one blocking slot in the guide rail; the adjusting handle can be upward driven and connected with one end of the connecting clamping plate, so that the clamp at the other end of the connecting clamping plate is downward moved and separated from the blocking slot. The adjusting device provided by the invention has the advantages of simple structure, flexible operation, capability of conveniently adjusting the position of the seat and capability of reducing the production cost.
Owner:NANJING GOLDEN DRAGON BUS
Self-positioning fixture
InactiveCN102049690AHigh precisionAchieve positioningPositioning apparatusMetal-working holdersEngineeringSelf positioning
The invention relates to a self-positioning fixture. The self-positioning fixture comprises a U-shaped seat frame body [11], a lifting device and a clamping device, wherein the lifting device comprises a screw [8], a nut [7], two carrier rods and a carrier rod seat; one end of the screw [8] is fixedly connected to the middle of the seat frame body [11]; on the carrier rod seat, two transverse rods [9] are fixedly connected to the two side faces of a shaft sleeve [6] symmetrically; the shaft sleeve [6] is sleeved on the screw [8]; a through hole is formed on the two sides of the seat frame body [11] respectively; the two carrier rods are positioned in the through holes; the two transverse rods [9] are connected with the lower ends of the two carrier rods respectively; the clamping device comprises two clamping blocks [5] and two rotating levers [3]; the two clamping blocks [5] are fixedly connected to the upper ends of the two carrier rods respectively; and each clamping block is hinged with one end of each rotating lever [3], and the other end of each rotating lever [3] is hinged with the upper parts of the two sides of the seat frame body [11]. The self-positioning fixture can clamp and position workpieces, so machining accuracy and machining efficiency are greatly improved.
Owner:汪焱
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