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9results about How to "Improve location accuracy" patented technology
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Parallel road generation method, system and terminal
ActiveCN116805463BHigh precisionImprove location accuracyDetection of traffic movementMaps/plans/charts
The parallel road generation method, system and terminal provided by the application obtain bus trajectories, perform kernel density estimation according to the bus trajectories, and generate a road center line according to the kernel density. The parallel road generation method, system and terminal provided by the application can filter most of the urban GPS drift, and can improve the information precision and position accuracy of road generation, because the global nature of the bus trajectories is used.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
Slurry ball valve based on multi-stage sealing
The utility model relates to ball valve technical field, concretely, it relates to a kind of slurry ball valve based on multistage sealing, including valve body, the both sides symmetry fixed connection of valve body have connecting body, the inside of valve body is provided with ball, the lower end of ball is rotatably connected with fixed shaft, the upper end of inside fixed shaft and ball contact position is provided with steel ball, in the process of frequently opening and closing or adjusting valve, effectively avoid the sealing failure caused by ball and upper valve shaft deviation, increase the positional accuracy of ball, the upper end of ball is fixedly provided with upper valve shaft, the outside of upper valve shaft is provided with packing gland, effectively prevent slurry along valve shaft leakage, the packing gland and upper valve shaft between are provided with sealing packing, the valve seat is arranged between the connecting body and ball, the valve seat one end and connecting body between are provided with baffle ring, form the first core sealing defense line of valve flow channel, improve sealing reliability.
Owner:HENAN QUANSHUN FLOW CONTROL SCI & TECH
A laser marking device suitable for aluminum profile marking
ActiveCN224390217Umark accuratelyeasy maintenanceWelding/soldering/cutting articlesLaser beam welding apparatusLaser transmitterMarking out
This utility model discloses a laser marking device suitable for marking aluminum profiles, including a table, a conveyor belt, a column, and a sliding support. The conveyor belt is located on the right side of the table, and the column above it has a slide rail. A slip ring connects to the support to fix the laser machine body. The laser emitter is mounted on the machine head via a connector, and it also includes a camera, a control computer, a temperature probe, and an alarm. A feeding plate and a movable storage box are located at the end of the conveyor belt. The machine body has heat dissipation holes, and the bottom of the table has a rubber base. This utility model achieves automatic conveying and positioning of aluminum profiles through the conveyor belt, adjusts the laser head height to adapt to different specifications through the slide rail, assists in precise marking through the camera, monitors the material temperature in real time through the temperature probe, and activates an alarm to ensure safety when the temperature exceeds the limit. A cooling fan prevents the laser components from overheating, the feeding plate and storage box enable automated material receiving and handling, and the rubber pad on the base provides anti-slip protection, thus improving overall marking efficiency, accuracy, and safety.
Owner:ANHUI BLUE FLAG ALUMINUM CO LTD
Multi-station positioning device and positioning method
ActiveCN117228279BImprove location accuracyImprove printing qualityMechanical engineeringElectrical and Electronics engineering
The application discloses a multi-station positioning device and a positioning method, which comprises a first conveying device and a second conveying device arranged in front of and behind each other and conveying glass in the same direction, a feeding area for placing glass is arranged on the first conveying device, a positioning swing piece mechanism for conveying glass along the width direction of the first conveying device is further arranged on the first conveying device, a positioning printing mechanism for printing glass is arranged on the second conveying device, and the first conveying device, the second conveying device, the positioning swing piece mechanism and the positioning printing mechanism are electrically connected with a controller. The application can simultaneously print multiple glasses in multiple stations, and can accurately position each glass, so that the printing effect is good.
Owner:GUANGDONG SOUTH STAR GLASS LTD
A floor laying auxiliary device
PendingCN122082560AEven by forcePrevent placement deviationBuilding constructionsCleaning using gasesClassical mechanicsMechanical engineering
Owner:杭州良工装饰有限公司
Sheet bonding alignment system
The application relates to a sheet bonding alignment system, comprising an alignment mechanism, the alignment mechanism comprising a supporting platform and at least one pressing head; the supporting platform comprises a supporting end face and a rotating motor, a plurality of first vacuum adsorption holes are arranged on the supporting end face, and the rotating motor is used for driving the supporting end face to rotate relative to the pressing head; the pressing head is provided with a pressing surface, the pressing surface faces the supporting end face, and the distance between the pressing surface and the supporting end face is adjustable; the first vacuum adsorption holes are used for pre-adsorbing sheets to be bonded, the rotating motor drives the supporting end face to rotate, and the pressing head is used for pressing the sheets to be bonded adsorbed by the plurality of first vacuum adsorption holes respectively. The first vacuum adsorption holes increase the bonding alignment precision. The pressing head and the supporting end face automatically move, and the bonding efficiency is improved.
Owner:CHONGQING KONKA PHOTOELECTRIC TECH RES INST CO LTD
Foldable double linkage structure and faucet
The utility model relates to laboratory faucet technical field provides a kind of foldable duplex linkage structure and faucet, including three-way valve body, the communicating pipe of opposite insertion in the two sides of three-way valve body, linkage plate is inserted between two communicating pipes, and the locking assembly of locking communicating pipe and three-way valve body. Limiting portion is formed in three-way valve body, when stirring communicating pipe, the communicating pipe of two sides simultaneously rotates relative to three-way valve body, limiting portion is formed with two oppositely arranged sector grooves, the angle between two sector grooves is 90 °, limiting portion is used to limit the rotation of linkage plate in sector groove. The utility model is by being provided with linkage plate between two communicating pipes, when stirring one communicating pipe rotation, the communicating pipe of two sides simultaneously rotates 90 °, the angle between the water inlet pipe of three-way valve and two communicating pipes can be adjusted, so that faucet is adhered in sink in folding state, does not occupy experiment table space, also increases the flexibility of faucet installation time.
Owner:HEBEI RUNWANGDA SANITARY WARE MFG
Clamping device and iron drill
This invention relates to the field of oil extraction equipment technology, and discloses a clamping device and a metal drill tong. The clamping device includes: a frame assembly; two clamping components symmetrically arranged on the frame assembly, each clamping component including a connecting component and a clamping arm, the clamping arm being hinged to the frame assembly via the connecting component; and a drive component disposed on the frame assembly, the drive end of which is simultaneously drivenly connected to the connecting components of the two clamping components. This invention, by setting the clamping components and drive component on the frame assembly, allows the two clamping components to continuously move along a symmetrical clamping trajectory until they contact the workpiece when the clamping device clamps it, resulting in higher clamping accuracy. Furthermore, since the clamping center lines of the two clamping components coincide with the axis of the metal drill tong body, the clamping components can also center and straighten the workpiece during clamping, correcting any deviations in the workpiece's placement.
Owner:HUNAN SANY PETROLEUM TECH
H-adcp installation position optimization method based on cross-section traversal scanning
ActiveCN121997616BImprove location accuracyStrong flow rate stabilityOpen water surveyDesign optimisation/simulationStream gaugeTerrain
The application discloses an H-ADCP installation position optimization method based on cross-section traversal scanning, which comprises the following steps: 1) selecting a cross-section to be installed, using a sailing ADCP to measure flow and synchronously observing water level under different water level stages or flow velocity stages, and calculating the average flow velocity of each cross-section; 2) importing the flow velocity data into a cross-section terrain model, dividing candidate units, traversing and extracting representative flow velocities, and generating a flow field and a standard deviation distribution diagram; and 3) comprehensively analyzing and determining the final position through multi-dimensional quantitative evaluation of flow velocity standard deviation, random uncertainty and correlation coefficient, combined with on-site conditions such as terrain adaptability and interference degree. The method disclosed by the application has high site selection efficiency and is suitable for H-ADCP installation site selection in rivers, lakes and other water areas, and is helpful to improve the online monitoring accuracy of river flow.
Owner:PEARL RIVER HYDROLOGY & WATER RESOURCES SURVEY CENT