蜗轮箱（YJ系列）

Unmanned aerial vehicle

The utility model provides an unmanned aerial vehicle which comprises a cylindrical unmanned aerial vehicle main body, a plurality of connecting arms are fixed on the peripheral surface of the unmanned aerial vehicle main body, a propeller is rotatably connected to the top of one end of each connecting arm, a buffer assembly is connected to a shell of each connecting arm, each buffer assembly comprises a lead screw, and the lead screw is connected to the top of one end of each connecting arm. Each lead screw shell is connected with an adjusting ring through a nut, each adjusting ring is arranged on the shell of the corresponding connecting arm in a sleeving mode and is in sliding connection with the outer surface of the connecting arm, and a shell of each adjusting ring is in sliding connection with a U-shaped connecting block. A plurality of L-shaped buffering strips are fixed to the side, away from the corresponding adjusting ring, of each U-shaped connecting block, and each U-shaped ...

蜗轮箱

Evaluation method for future generated image of outdoor scene based on environment multi-element

The invention discloses an evaluation method for a future generated image of an outdoor scene based on multiple environmental elements, which aims to explore the relationship among the environmental elements in the outdoor scene and evaluate the effect of the generated image in a future period of time, and comprises the following steps of: firstly, acquiring a true value and a predicted value of meteorological data and a predicted value of sun position information; then, calculating the prediction probability of the illumination effect on the generated image by using a total probability calculation formula; calculating the prediction probability of the atmospheric action on the generated image by using the prediction probability of the aerosol transfer function MTFa and the prediction probability of the turbulence transfer function MTFe; and finally, evaluating the effect of the future generated image of the outdoor scene through the total prediction probability of the two to the generated ...

DMA (direct memory access) partitioning method for water supply network

The invention belongs to the technical field of water supply pipe network zoning, and particularly relates to a water supply pipe network DMA zoning method which comprises the steps that a tree-shaped water supply pipe network of a to-be-zoned area is determined through a GIS according to pipe network information, a village-level user boundary is determined in the tree-shaped water supply pipe network, and the village-level user boundary serves as a three-level DMA zoning result; according to the flow pressure data of each pipe section, combining a preset second-level DMA partition number, and through a clustering algorithm, fusing the third-level DMA partition results to obtain a second-level DMA partition result; and according to the flow pressure data of each pipe section and in combination with a preset primary DMA partition number, fusing secondary DMA partition results through a clustering algorithm to obtain a primary DMA partition result. According to the method, the village-level ...

Radio frequency circuit optimization design method based on high-performance calculation

The invention discloses a radio frequency circuit optimization design method based on high-performance calculation. The method comprises the following steps: sub-modularizing a radio frequency circuit; constructing a circuit sub-module neural network; based on the circuit sub-module neural network, parallel computing is carried out by using a GPU; carrying out cascade calculation on the scattering parameter results of the sub-module circuits at all levels to obtain the scattering parameter results of the whole circuit: searching an optimization scheme meeting a performance index condition from the scattering parameter results of the whole circuit; and searching a Pareto optimal solution for the advantages and disadvantages of a search result, and screening out a circuit conforming to an actual engineering index. Compared with a traditional artificial neural network which is used for modeling the relation between the design size and the electrical behavior of the full-level radio frequency ...

Spinal malformation measuring device

The invention discloses a spine deformity measuring device, and relates to the technical field of spine deformity measurement, the spine deformity measuring device comprises a deformity measuring component, a driving mechanism and a transmission mechanism, the driving mechanism operates to drive the deformity measuring component to move on the spine of a user under the action of the transmission mechanism, and the deformity measuring component can measure the spine deformity. And the transmission mechanism can adapt to malformation measurement under different statures and various bending degrees. A mechanical operation mode is adopted, so that the main body of a patient is assisted to lean forward, two legs do not need to be supported on the ground so as to be used by people with disabled legs and feet, and then the measuring ruler can lean against the outer side of a protruding spine for sliding measurement in a mechanical intelligent mode, so that the measurement accuracy is improved.

Articulated naturality web client intelligent analysis management system based on artificial intelligence technology

The invention relates to the field of intelligent analysis and management of articulated naturality web clients, and particularly discloses an intelligent analysis and management system of articulated naturality web clients based on an artificial intelligence technology. And analyzing to obtain a stealing behavior tendency coefficient of each customer in the target unmanned retail store and a hot sell degree of each commodity type in the target unmanned retail store, further judging whether each customer in the target unmanned retail store has a stealing behavior or not, and performing early warning. And meanwhile, the hot sell degree of each commodity type in the target unmanned retail store is sent to the remote control terminal of the target unmanned retail store, so that not only can the theft behavior of the unmanned retail store be remotely monitored, but also the hot commodity type of the unmanned retail store can be quickly identified, and therefore, intelligent, efficient and precise ...

Multifunctional handheld water depth detector device and operation method thereof

The invention relates to the technical field of detectors, in particular to a multifunctional handheld water depth detector device and an operation method thereof. The device consists of a sounding probe, a measuring rope and a wire coil signal receiver, and is characterized in that the sounding probe and the wire coil signal receiver are fixedly connected through two ends of the measuring rope; the measuring rope is made of a hollow, transparent and bending-invariant plastic material, two copper wires are arranged on two sides of the measuring rope, and meter scales are marked on the outer part of the measuring rope from bottom to top; a measuring rope lead and an external wrapping layer are fixedly connected with a roller of the wire coil signal receiver; the lead in the measuring rope is correspondingly connected with the lead in the wire coil II; the measuring rope can be manually wound on a roller of the wire coil signal receiver; the lower end of the measuring rope is in threaded ...

Transition metal sulfide-based photoinduced ultrasonic transducer and preparation method thereof

The invention provides a photoinduced ultrasonic transducer based on transition metal sulfide and a preparation method of the photoinduced ultrasonic transducer, and belongs to the technical field of optical fiber sensing. The transition metal sulfide and the multi-walled carbon nanotube are combined to serve as the light absorption layer, the transition metal sulfide with a narrow band gap and a high specific surface area can perform photocatalysis, the photocatalysis can improve the light absorption capacity of the multi-walled carbon nanotube, the two materials are combined, a heterojunction can be formed, the interface quality is high, and the light absorption performance of the multi-walled carbon nanotube is improved. The specific surface area of the light absorption layer is increased, the thermal resistance is reduced, the surface area of the material is increased on the same optical fiber end face, the thermal capacity of the light absorption layer is increased, and heat energy ...

Automatic boxing and box moving device and method for vegetable harvester

The invention provides an automatic boxing and box moving device and method for a vegetable harvester. The automatic boxing and box moving device comprises a horizontal conveying device, a box conveying device, a box placing device, a detection device, a control device and a rack. According to the automatic boxing and box moving device, automatic container collection and container replacement after vegetables are cut and conveyed are achieved, meanwhile, an efficient and automatic vegetable collection scheme is provided, and a bottleneck problem in the field of vegetable harvesting is solved. Vegetables are conveyed to a horizontal conveying belt through a slope conveying device and then conveyed to the collecting boxes on the two sides in turn, a position detecting device and a force detecting device are matched with the control device, automatic box changing is achieved, and a telescopic device drives a connecting rod mechanism to move the box placing device to the position behind the ...

Method for improving SRv6 forwarding efficiency and electronic equipment

The invention discloses a method for improving SRv6 forwarding efficiency, which comprises the following steps of: searching an IPv6 route through longest matching according to an IPv6 DA packaged at an outer layer in advance on a software level, so that a chip only needs to complete one-time route iteration. According to the method, the efficiency of SRv6 tunnel scene routing iteration is effectively improved, a universal model is formed, the development of a subsequent SRv6 function equipment side can be moved only by focusing on model design without concerning code development, line card resources are fully utilized, and the burden of master control is relieved. The invention further provides the corresponding electronic equipment.

Platinum elementary substance extraction method based on waste catalyst raw material

The invention provides a platinum elementary substance extraction method based on a waste catalyst raw material, and relates to the technical field of platinum elementary substance extraction, and the platinum elementary substance extraction method comprises the following steps: carrying out nano roasting on the waste catalyst raw material to obtain a roasted material; carrying out selective water leaching treatment and then carrying out solid-liquid separation to obtain a platinum-containing solution and platinum-containing concentrate; adding a reducing agent for replacement, and performing solid-liquid separation to obtain platinum-containing replacement slag and a sodium metaaluminate solution; mixing the platinum-containing replacement slag with the platinum-containing concentrate to obtain a mixture; and the mixture is subjected to acid leaching platinum extraction, a chloroplatinic acid solution and leaching residues are obtained, the chloroplatinic acid solution is subjected to ...