8results about How to "Lightweight effect is good" patented technology

The utility model belongs to welding robot technical field, concretely relates to a track welding robot, including track assembly and horizontal shift assembly, wherein, track assembly includes: base, rack, multiple guide rails and two groups of magnetic force adsorption unit, horizontal shift assembly includes: moving platform, power source, gear, multiple groups of sliding unit and robot body, the utility model discloses through adjustable magnetic force adsorption unit, has greatly promoted the installation adaptability and stability of equipment in different field environment, again through the base is hollow cuboid structure with the opening of bottom surface, has realized light weight under the premise of guaranteeing high strength and high rigidity, finally through the meshing transmission of guide rail, sliding unit and gear and rack, has guaranteed the stability, high accuracy and anti-overturning ability of system under the operation of heavy load.

The application relates to the battery technical field and discloses a battery pack and a power utilization equipment, which comprises a first beam body, a cover plate, a partition plate and a bottom plate. The first beam body comprises a first beam main body and a mounting piece connected with each other, the first beam main body is provided with an exhaust passage, the mounting piece is located on one side of the first beam main body along a second direction, the mounting piece is provided with a penetrating air inlet, the air inlet is communicated with the exhaust passage, the cover plate is connected with one end of the first beam main body which is away from the mounting piece, the partition plate is connected with the mounting piece, the partition plate, the first beam main body and the cover plate surround a containing cavity, a plurality of pressure relief parts are arranged on the partition plate, a gas collecting cavity is formed between the bottom plate and the partition plate, the gas collecting cavity is communicated with the air inlet, the bottom plate is connected with one end of the first beam main body which is away from the cover plate, and the end part of the partition plate which is close to the air inlet along the second direction is arranged in a spaced mode with the air inlet. The battery pack disclosed by the application reduces the material consumption of the partition plate.

This invention discloses a lightweight deep neural network array direction finding method based on data redundancy removal, which solves the problem that the traditional RDNN direction finding method has a large number of deep neural network nodes and cannot achieve network lightweighting. The method performs redundancy removal operation on the upper triangular elements of the covariance matrix, simplifies the number of subsequent hidden layer nodes, reduces the computational complexity of the model, and ensures that the direction finding accuracy of the model is not lost, thus realizing high-precision direction finding of lightweight deep neural networks.

This invention relates to the field of welding materials technology, and particularly to a high-performance aluminum-lithium alloy flux-cored welding wire and its preparation method. The high-performance aluminum-lithium alloy flux-cored welding wire comprises: an aluminum-based metal strip outer sheath; and flux powder filled within the outer sheath. The flux powder includes deoxidizing components, alloy components, arc-stabilizing components, slag-forming components, and binding components. The alloy components of the aluminum-lithium alloy flux-cored welding wire, by mass percentage, include: Cu: 3.7%-4.3%, Li: 0.8%-1.5%, Mg: 0.25%-1%, Zr: 0.1%-0.16%, with the balance being Al and unavoidable impurities. The burn-off rate of active elements is significantly reduced, and the composition control accuracy reaches ±0.05%. The flux structure encapsulates highly active elements such as Li, Mg, and Zr in powder form within the aluminum-based outer sheath, avoiding high-temperature volatilization and oxidation in traditional smelting processes. These elements are released only during welding, achieving precise composition control and enabling the stable preparation of aluminum-lithium alloy welding wires with high Li content (2%-3%).

This invention relates to the field of rail vehicle technology, providing a train bogie and a rail vehicle. The train bogie includes a frame and a wheel drive system. The frame includes a load-bearing body and two leaf springs. A center pin channel is formed in the middle of the load-bearing body, and two mounting channels are formed along the longitudinal direction of the frame. The two leaf springs are respectively mounted in the two mounting channels. The wheel drive system includes a shaft core, a bushing, and two wheels. The shaft core is rotatably mounted inside the bushing. A gearbox is constructed on the bushing, and a driving gear is provided inside the gearbox. A driven gear is sleeved on the shaft core, and the driving gear and the driven gear mesh externally. The two wheels are respectively mounted on both ends of the bushing via bearings, and the two wheels are respectively connected to both ends of the shaft core via flexible plates. Each leaf spring has a pad at both ends, and the pad is connected to the bushing. The load-bearing body and leaf springs replace the original crossbeam and side beam structure, resulting in a significant weight reduction effect on the frame.

The application discloses a rear cross beam structure, a vehicle frame and a vehicle. The rear cross beam structure comprises a main body, a connecting piece and a mounting piece. The first side wall is concave upward and downward in the first direction, and the second side wall is convex upward in the second direction. The load bearing capacity of the rear cross beam on the towing hook is improved. Due to the distance between the towing part and the towing hook, the first structure section and the second structure section are formed at different heights to further increase the torsional resistance of the first connecting section, improve the reliability when supporting the towing object, reduce the torsional force applied to the main body in the direction of the combined dynamic inertia direction along the gravity direction of the towing hook, further avoid the torsional deformation of the main body, the overall rear cross beam mechanism can reduce the thickness to obtain a good lightweight effect, improve the overall structural reliability of the rear cross beam structure, reduce the welding difficulty requirement and quality risk, improve the overall vehicle handling performance, and reduce the braking distance.

This invention discloses a drone-mounted fire-fighting projectile pod, belonging to the field of drone fire-fighting equipment technology, aiming to solve the problems of insufficient transportation stability, deployment safety, and accuracy when fire-fighting projectiles are used in conjunction with drones. The pod includes a main structure, a projectile connector, a suspension and deployment system, sensing and control components, a safety valve, an altitude-holding device, and an interface structure. The main structure adopts an aerospace-grade aluminum alloy unibody design, adaptable to various specifications of fire-fighting projectiles such as 2.5KG, 10KG, and 20KG. The suspension and deployment system adopts a motor-driven gear and gear-driven rack design, all integrated into one unit. The sensing and control components include a Hall sensor, a control circuit board, and a manual projectile mounting switch. The safety valve has a mechanical pin-type safety structure. The altitude-holding device uses millimeter-wave scanning radar. The interface structure has multiple reserved ports and a standardized design. This invention achieves reliable control of the entire process of fire-fighting projectile transportation, mounting, and deployment, with strong adaptability and high safety, and can be widely used in drone fire-fighting operations.

The application provides a kind of track traffic data light weight acquisition method based on depth clustering, in view of the problems that the existing track traffic video image data light weight method has high computational complexity, cannot intelligently identify and screen high value data, the application realizes the low-dimensional feature extraction of high-dimensional video image data, local structure capture and intelligent clustering through the cooperative work of data preprocessing, convolution auto-encoder, UMAP manifold learning and GMM clustering.The application discards the additional training process of the traditional clustering network, significantly reduces the computational complexity, reduces the network load and improves the transmission efficiency, accurately identifies and screens the data structure, meaning and value, provides technical support for the edge deployment, real-time response and resource saving of track traffic intelligent operation, and is suitable for video image data light weight processing in multiple scenes such as maintenance, work detection, station and platform.