9results about How to "Guaranteed precision" patented technology

The invention belongs to the technical field of airplane coating repairing, and particularly relates to an airplane coating precision repairing method based on 3D visual data, which comprises the following steps: shooting a workpiece needing coating repairing to obtain an RGB image, and converting the RGB image into a point cloud picture; after the point cloud picture is processed, a 3D model of a workpiece needing coating repairing is obtained, spraying distance parameters are set, a robot track is generated, path simulation is conducted on the track, if simulation is free of interference, an online laser scanner is arranged to run according to the robot track, secondary detection and positioning are conducted on the surface of the workpiece needing coating repairing, and then the workpiece needing coating repairing is obtained. Acquiring spatial position data of a to-be-restored area; the industrial personal computer generates a robot path middle point according to the spatial position data of the area needing to be sprayed and associates the robot path middle point to an I / O control instruction of the robot; spraying parameters are input into the robot, after a robot motion program is generated, the complete robot track is simulated again, and if simulation is free of interference, the complete robot track is imported into a robot controller to execute spraying.

The utility model discloses a steel rail welding flaw detection device and a steel rail welding detection system, the steel rail welding flaw detection device is used for detecting the welding quality of a steel rail, the steel rail welding flaw detection device comprises a mounting module and a flaw detection module located below the mounting module, and one side of the mounting module relative to the flaw detection module is used for being mounted to a mounting position; a driving module electrically connected with the flaw detection module is arranged, the flaw detection module comprises a first flaw detection module and a second flaw detection module, a gap is formed between the first flaw detection module and the second flaw detection module to form a flaw detection area, and the first flaw detection module and the second flaw detection module are both electrically connected with the driving module; and the driving modules can synchronously move along opposite directions under the driving of the driving modules. Compared with the prior art, the steel rail flaw detection device can detect flaws on the two sides of a steel rail, so that the precision of flaw detection results is ensured, and meanwhile, the automation of flaw detection can be realized.

The utility model discloses a dynamic balancing device, which relates to the technical field of generators and comprises a first extension shaft used for connecting a high-speed testing machine; the first extension shaft and the second extension shaft are used for being correspondingly connected with the two ends of the exciter rotor respectively; the transition disc is provided with at least two spigots along the axial direction of the transition disc, one spigots is connected with the first extension shaft or the second extension shaft, and the other spigots are used for being connected with the corresponding end of the exciter rotor; and the at least three groups of fasteners are used for connecting the exciter rotor between the first extension shaft and the second extension shaft through the transition disc. According to the dynamic balance device, the actual high-speed operation condition of the exciter rotor can be simulated, the correction accuracy is improved, and the service life of the exciter rotor is prolonged.

The utility model discloses a guide plate structure of a plate shearing machine, and relates to the technical field of plate shearing machines. The steel coil processing device comprises a processing part, wherein the processing part is used for preprocessing a steel coil; the limiting part is installed at the center of the top of the processing part, and the limiting part can position the steel coil; when the processing part works, the limiting part assists the processing part. The limiting part is arranged, specifically, the bidirectional screw is rotated to rotate clockwise, the rectangular sliding blocks are driven to move along the cylindrical sliding rails through threaded connection of the bidirectional screw and the rectangular sliding blocks, the two rectangular sliding blocks both drive the rectangular sliding plates with the tops fixedly connected to be close to each other, and the two rectangular sliding plates are driven to move along the cylindrical sliding rails. In this way, the movement range of the steel coil can be adjusted by adjusting the distance between the two rectangular sliding plates, so that the steel coil can only move between the rectangular sliding plates, the steel coil is prevented from deviating from the center, and the steel coil cutting precision of equipment is guaranteed.

This application provides a compact polarization filter switching device, belonging to the field of optical and optomechanical technology. Specifically, it includes: a base; a switching frame rotatably mounted on the base, on which a polarizer and a filter are mounted. The axes of the polarizer, the filter, and the rotation axis of the switching frame are parallel and spaced apart, and the polarizer and filter are also spaced apart; a first driving mechanism mounted on the base, used to drive the switching frame to rotate relative to the base, so that the polarizer or filter is located in the optical path of the optical system; wherein, the polarizer is mounted on the switching frame via a rotating ring, and the rotating ring is rotatably mounted on the switching frame via a bearing; the switching frame is provided with a second driving mechanism for driving the rotating ring to rotate, used to adjust the angle of the polarizer. Through the processing scheme of this application, rapid switching of polarization filtering function is achieved, while simultaneously adjusting the angle of the polarizer.

The application relates to the technical field of biology, and particularly relates to a small automatic micro-fluidic PCR instrument and a use method thereof. A temperature control fixing portion and a vortex tube fixing portion are fixed on the side of a substrate. A temperature control body is clamped in the temperature control fixing portion along the vertical direction. A temperature control reaction cavity is arranged at the axial center of the temperature control body. A heating rod and a refrigeration tube are respectively embedded in the peripheral wall of the temperature control body along the axial direction. A reaction tube is sleeved in the temperature control reaction cavity. The top surface of the reaction tube is provided with a sample inlet hole and a sample outlet hole. The vortex tube is clamped in the inner cavity of the vortex tube fixing portion along the vertical direction. The middle part of the vortex tube is a compressed air inlet. The top and bottom parts of the vortex tube are a cold air exhaust pipe and a hot air exhaust pipe respectively. The top end of the cold air exhaust pipe is sleeved with the bottom end of the refrigeration tube. A temperature sensor is sleeved in the wall of the temperature control body along the vertical direction. The output end of the temperature sensor is electrically connected with the controller input end of the compressed air pump connected with the heating rod and the compressed air inlet. The problems of slow temperature control of the PCR instrument and difficult realization of automatic sample feeding are solved.

This application discloses a method, apparatus, equipment, medium, and product for evaluating the effectiveness of transportation and tourism services, relating to the field of intelligent transportation technology. The method includes: acquiring data on first transportation stations, first tourist attractions, and first road network in a target area under a first scenario, and data on second transportation stations, second tourist attractions, and second road network in a second scenario; determining the number of first transportation stations, the proportion of first transfer stations, and a first accessibility index based on the data under the first scenario, and determining the number of second transportation stations, the proportion of second transfer stations, and a second accessibility index based on the data under the second scenario; and determining the effectiveness evaluation result based on the number of first transportation stations, the proportion of first transfer stations, the number of second transportation stations, the proportion of second transfer stations, the first accessibility index, and the second accessibility index. This method can achieve accurate evaluation of the effectiveness of transportation and tourism services.

This invention relates to the field of industrial integrated energy management technology, specifically to a hybrid energy storage system, an efficient collaborative scheduling method, and a storage medium suitable for continuous production industrial plants. The system comprises an information sensing and supply layer, a hybrid energy storage and conversion layer, and an optimization decision and control layer connected sequentially. The information sensing and supply layer acquires multi-dimensional information data and multi-energy flow supply data. The hybrid energy storage and conversion layer realizes multi-grade thermal energy storage, electrochemical energy storage, and thermoelectric coupling conversion. The optimization decision and control layer executes scheduling optimization algorithms and includes a heat load prediction module, a multi-source collaborative optimization model module, and a working mode switching module. This invention, by constructing a three-layer architecture and based on MES production scheduling, weather forecasts, and waste heat data, forms a production plan-driven thermal energy storage scheduling method, realizing a shift from passive energy supply to active process matching, significantly improving the planning and accuracy of energy supply.

This utility model discloses a novel terminal riveting device, relating to the field of terminal riveting technology. It includes a workbench, with a terminal feeder and a terminal robot mounted above it. A skeleton feeder is mounted on the side of the workbench. A conveyor channel for transporting workpiece skeletons is located above the workbench, operating intermittently. The conveyor channel is fixedly connected to the workbench via multiple supports. A detection mechanism for detecting the orientation of the skeleton is located on the side of the conveyor channel. A riveting mechanism for inserting terminals into the skeleton is also located on the side of the conveyor channel. This device can promptly alert workers to remove or correct unqualified formed skeletons, ensuring that the riveted skeleton workpieces have superior quality.