11results about How to "Accurately done" patented technology

The application discloses a three-dimensional scene reconstruction acceleration method and device and a storage medium, relates to the technical field of computer vision, and comprises the following steps: when input video to be reconstructed is forward propagated to a global attention layer of a Transformer backbone network, determining a target compression ratio according to a level identifier of a current layer and a mapping relationship between the level and a compression ratio; determining a query matrix, a key matrix and a value matrix of the current layer, sparsely sampling the key matrix and the value matrix according to the target compression ratio to obtain a target key matrix and a target value matrix; performing attention calculation according to the query matrix, the target key matrix and the target value matrix to obtain a context feature representation of the current layer, until all attention calculation is completed, inputting an output feature sequence of the Transformer backbone network to a prediction head to obtain a multi-view reconstruction result of the video to be reconstructed, and guaranteeing the accurate completion of the multi-view three-dimensional reconstruction task while improving the efficiency.

This invention relates to the technical field of concealed pipeline mapping, and in particular to an auxiliary device for rapid three-dimensional coordinate positioning of concealed pipelines in installation projects. The invention includes a mother drone equipped with a probe and camera mounted on it. A marking nozzle is connected to the mother drone, and the marking nozzle is connected to and installed on a daughter drone. The mother drone connects the marking nozzle and the daughter drone via a flexible hose and power cable. The device uses a mother drone integrating a probe and camera, enabling multi-angle, omnidirectional spatial scanning and image acquisition of concealed pipelines. This achieves rapid and accurate three-dimensional coordinate positioning of the concealed pipelines, significantly improving the accuracy and reliability of the positioning. The mother drone connects the marking nozzle and the daughter drone via a flexible hose and power cable, enabling remote synchronous control. The daughter drone can flexibly move to the pipeline positioning point and automatically complete on-site marking, avoiding errors associated with traditional manual line drawing and improving the accuracy and consistency of the marking.

This invention relates to the field of automotive repair technology and provides a safety lifting device for new energy vehicle repair, comprising: a base with an electro-hydraulic rod for adjusting lifting on the base; a top plate mounted on the output rod of the electro-hydraulic rod, with a rotatable and adjustable mounting frame below the top plate; a vehicle lifting assembly including adjustable connecting arms mounted on the mounting frame, with a support plate fixed to the bottom end of the connecting arm for lifting the new energy vehicle, and the surface of the support plate having an anti-slip pad to increase the friction with the vehicle; and a limiting mechanism mounted on the connecting arm for limiting the movement of the new energy vehicle. This solution solves the problem of insufficient stability in current automotive repair lifting devices during lifting.

This disclosure relates to a monitoring system and method for a bucket wheel stacker-reclaimer. The system includes: a coal inventory device for periodically scanning a coal yard to obtain first scan data of the coal yard, wherein the coal yard includes at least one coal stack; a coal stack scanning device for real-time scanning of the coal stack currently being reclaimed by the bucket wheel stacker-reclaimer to obtain second scan data of the coal stack; and a central control system, communicatively connected to the coal inventory device and the coal stack scanning device, for dynamically updating the original coal yard storage model based on the received first and second scan data to generate a dynamic coal yard storage model; and further for determining the operating status of the bucket wheel stacker-reclaimer and / or the coal yard storage information based on the dynamic coal yard storage model. This solves the technical problem of low accuracy in manual inventory checks.

The utility model relates to a kind of guided pipe mouth aligner, belong to pipe installation technical field, including guide bracket, two groups of mouth aligning components are symmetrically fixedly connected in the both ends of the guide bracket, and two groups of mouth aligning components are connected by several mouth aligning top-thread steel plates between, two adjusting screw rods are threadedly connected on each mouth aligning top-thread steel plate, and each adjusting screw rod is threaded through mouth aligning top-thread steel plate, each group of mouth aligning components includes openable and closable upper fixed ring and lower fixed ring, and the guide bracket is fixedly connected with lower fixed ring side wall.The utility model can adjust the misaligned tooth of pipe mouth, ensure the accuracy of pipe mouth, and also can prevent pipe displacement when operating, ensure the stability of installation process, fundamentally improve the quality, safety and efficiency of pipe installation.

The utility model discloses a stamping forming battery guard plate, include: mainboard, the side plate of setting in the both sides of mainboard and the bottom support of setting in the bottom of mainboard, the one side of mainboard is equipped with the reinforcing rib, and the one side of reinforcing rib is equipped with the stamping line, and the one side of reinforcing rib is equipped with a plurality of fixed holes, the top of mainboard is equipped with the roof, and the included angle department of mainboard bottom and bottom support all are equipped with the positioning slot, and the reinforcing rib of mainboard is integral forming structure with mainboard, and bottom support is integral forming structure with mainboard, and the one side of two side plates all are equipped with a plurality of mounting holes, the utility model discloses a kind of stamping forming battery guard plate, compared with traditional full CNC processing mode, production cost is significantly reduced by adopting stamping forming process, by optimizing processing flow, using stamping forming technology replaces part CNC processing step, not only reduce the use demand of high-end equipment, also reduce the dependence on professional personnel, to realize the effective control of production cost.

The application relates to a clamping positioning structure and a laser head. The clamping positioning structure comprises a first mounting base, a second mounting base, a connecting piece and a locking piece. The first locking hole and the first connecting hole of the first mounting base are arranged at an angle in the axial direction, that is, the connecting piece and the locking piece intersect. In this way, the connecting piece and the locking piece can provide a restraining force in multiple directions. Compared with the existing screw connection mode, the connection effect between the first mounting base and the second mounting base can be effectively improved, the influence of vibration can be better resisted, the risk of relative movement or rotation between the first mounting base and the second mounting base can be reduced, the locking effect of an assembly part, such as an optical element, connected between the first mounting base and the second mounting base can be better improved, the laser beam can be ensured to efficiently and accurately complete a material processing task, and the processing quality can be ensured.

This invention discloses a digital twin-driven inspection method for new energy power plants, comprising the following steps: selecting and installing various types of sensors at key locations of critical equipment in the power plant; selecting suitable camera placement locations for different locations within the power plant using algorithms based on coverage and resolution optimization; completing a digital twin power plant performance model using a combination of laser scanning and camera imaging; forming an intelligent data display interface based on rule-based reasoning and machine learning, including fault prediction, diagnosis, and alarm mechanisms, thereby building a digital twin system; uploading information collected by sensors and cameras to the digital twin system using appropriate communication technologies; and completing the power plant inspection by using an inspection robot and cameras to collect power plant data. This invention, without increasing the cost budget, can simultaneously meet the requirements of real-time performance and accuracy, providing strong support for the safe and stable operation of new energy power plants.

The utility model belongs to air conditioner compressor casing processing technical field, specifically disclose a kind of pipe expansion shaping mechanism for air conditioner compressor casing assembly, including base frame, the base frame is fixedly installed with pipe expanding machine, the top of pipe expanding machine is provided with expansion head, the top of base frame is fixedly connected with vertical rod, the outer surface of vertical rod is slidably connected with longitudinal moving frame by lifting mechanism. The pipe expansion shaping mechanism for air conditioner compressor casing assembly, in the pipe expansion shaping process of whole pipe material, worker only needs artificial support in first step to assist the stability of pipe material, the whole process all does not need artificial intervention, from the accurate positioning of pipe material, stable clamping, to the lifting movement of pipe material, automatic sleeve on expansion head, to the collection of pipe material after pipe expansion shaping is completed, each link is automatically completed by mechanical device, worker whole process does not have any contact with pipe expanding machine and expansion head, completely eliminates the risk of finger being clamped into gap, significantly reduces the security risk.

This utility model provides an overspeed braking detection fixture, comprising: a drive device connected to a centrifugal trigger for driving the centrifugal trigger to rotate and trigger an action; a transmission device positioned between the centrifugal trigger and the braking assembly, receiving the trigger action and transmitting it to the braking assembly to activate the brake; and a hydraulic power system connected to the braking assembly to provide hydraulic pressure to the braking assembly. This overspeed braking detection fixture solves the technical problem in related technologies where overspeed braking devices for monorail cranes can only be tested on the entire vehicle, resulting in low testing efficiency.