7results about How to "Perfect structural design" patented technology

The invention relates to a box-type resident platform laying device applied to deep sea, and the device comprises a guide rail device which is used as a basic supporting structure of the whole laying device. The translation mechanism is arranged above the guide rail device, is in contact with the guide rail through a roller device and can freely roll on the guide rail; the turnover mechanism is hinged to the translation mechanism; the stop device is matched with the translation mechanism; and the anti-overturning device is matched with the overturning block of the translation mechanism. The box-type platform is compact and reasonable in structure and convenient to operate, and precise control over the box-type platform is achieved through the precisely-designed translation mechanism and the precisely-designed turnover mechanism. And the translation mechanism is made of a high-strength material and is tightly matched with the guide rail through the roller, so that the stability of the platform in linear motion is ensured. The overturning mechanism can stably overturn the platform from the horizontal state to the vertical state through the flexible hinge design and the advanced overturning driving technology, and powerful support is provided for the platform to smoothly descend into water.

The invention relates to a shared dimension optimization method for a data warehouse model. The method comprises the following steps of: collecting a business data table, generating Chinese description of a field, disassembling and counting the Chinese description by adopting a text analysis method, tagging part-of-speech and generating an analysis result. And carrying out optimization processing on an analysis result, filtering part-of-speech irrelevant to the shared dimension, and screening out time period part-of-speech and measurement part-of-speech. And carrying out statistical analysis on an optimized analysis result, and identifying dimensions with common characteristics. And processing the identified common dimension based on business logic to generate a shared dimension. Through the generated shared dimension, the structure of the number bin model is adjusted, the structural design of the dimension table and the fact table is perfected, and the data query efficiency is optimized. According to the method, the workload of manual investigation and data analysis is reduced, the efficiency of dimension identification and sharing is improved through automatic processing, the period of data sorting is shortened, the labor cost is reduced, and the method adapts to data processing requirements of complex business scenes.

The invention discloses a capillary microchannel heat exchanger capable of reducing flow resistance and a preparation method of the capillary microchannel heat exchanger, and relates to the technical field of heat exchange equipment. The hot layer sets and the cold layer sets are sequentially arranged in a staggered and stacked mode and are separated through partition plates. Each of the cold layer group and the hot layer group comprises an inlet section group, a buffer confluence cavity and an outlet section group; the buffer confluence cavity is positioned between the inlet section group and the outlet section group; and nickel-plated phosphorus coatings are arranged on the inlet capillary tubes arranged in the inlet section group and the outlet capillary tubes arranged in the outlet section group. The preparation method comprises the following steps: S1, obtaining various parameters of related equipment through simulation calculation; s2, assembling the single layer according to the obtained parameters, and spraying a nickel-phosphorus plating coating; s3, sequentially arranging the interlayers; and S4, vacuum diffusion welding is conducted after overall assembly is completed, and the performance of the heat exchanger is tested. Through the arrangement, flow resistance can be effectively reduced, and heat exchange efficiency is improved.

This utility model relates to a ratchet wrench, belonging to the field of tool technology. The wrench includes a handle-shaped housing, with a locking component and a wrench head mounted on the front end of the housing via fasteners. The locking component has a locking position and an unlocking position that can be moved along the length of the housing. The wrench head has a positioning state corresponding to the locking position and a rotational state around the central axis of the housing's length corresponding to the unlocking position. A push button, forming a sliding pair, is installed near the front end of the housing. The push button has a natural position and a pushed position that respectively place the locking component in the locking and unlocking positions. This utility model improves the structural design by using a push button, thus making the rotational adjustment of the wrench head more convenient.

The present application belongs to the field of flexible strain sensing, and particularly relates to a deformation couple for a flexible strain sensor, a manufacturing method thereof and an application thereof. The deformation couple for the flexible strain sensor comprises two polymer films adhered to each other face to face. Both of the polymer films have good ductility and flexibility. The two polymer films have different adsorption capacities for electrons during deformation. The manufacturing method of the deformation couple comprises preparing two polymer films, applying a liquid form of one of the polymer films on one of the films to adhere the two films. The application of the deformation couple for the flexible strain sensor comprises sensing the movement of a joint or a muscle, or sensing the writing of a finger or a pen point thereon. The present application has excellent flexibility and stretchability, can adapt to various complex movements and deformations, and meanwhile maintains stable performance. The present application has a self-power supply characteristic, and does not need an external power supply.

The invention discloses a continuous fiber 3D printing high-bearing deformation self-monitoring ceramic matrix composite truss and a preparation method and application thereof, and relates to the technical field of additive manufacturing. The truss comprises an upper chord member, a lower chord member and a built-in unit arranged between the upper chord member and the lower chord member; the built-in units comprise units in one or more shapes of a triangle, a trapezoid, a circle and a diamond; the truss structurally comprises a single-layer truss or a plurality of layers of trusses; the truss is composed of continuous conductive fibers, a pyrolytic carbon interface and a precursor ceramic matrix. The conductive layer is deposited on the fiber surface of the composite material and the matrix crack, so that a conductive network is formed in the ceramic-based composite material with poor conductivity, the conductivity is improved, the ceramic-based composite material is endowed with piezoresistive performance, and integration of bearing and monitoring is realized.

The utility model relates to the technical field of feed cooking, disclose a kind of utensils for pet feed cooking, including bottom plate and cooking pot, the top left and right sides of bottom plate are all fixedly connected with guard plate, the top of cooking pot is installed with pot cover, the inner wall of cooking pot is fixedly connected with cooking plate, the inner wall of cooking plate is equipped with several air holes, the front outer wall of cooking pot is installed with controller, the inner wall of controller is fixedly connected with heating pipe, the top middle part of pot cover is installed with motor, the driving end of motor is fixedly connected with rotating shaft. In the utility model, the switching of cooking and steaming can be realized by simple operation, the different feed processing needs are met, and diversified cooking methods are provided. The structure is reasonable, the feed is uniformly heated by water vapor through the air holes, and the cooking effect is good. The motor drives the stirring and scraping components, the feed is evenly heated, and the pot sticking and hole blockage are prevented, and the cooking efficiency is improved.