22results about How to "Short structure" patented technology

The invention discloses a method and system for inverting an ocean three-dimensional temperature structure based on sea surface data, and relates to the technical field of remote sensing, and the method comprises the steps: obtaining the reanalysis data of a target sea area, and carrying out the data preprocessing; according to the processed reanalysis data, training the ocean three-dimensional temperature reconstruction model to obtain a trained ocean three-dimensional temperature reconstruction model; the ocean three-dimensional temperature reconstruction model is a reconstruction model of an ocean three-dimensional temperature field constructed by selecting a U-net network; in the training process of the ocean three-dimensional temperature reconstruction model, a loss function sensitivity test and a temperature field inversion model sensitivity test based on a U-net network are adopted to optimize the performance of the ocean three-dimensional temperature reconstruction model; and according to the real-time sea surface data of the target sea area, constructing an ocean three-dimensional temperature structure based on the trained ocean three-dimensional temperature reconstruction model. According to the invention, the reconstruction precision of the ocean three-dimensional temperature field can be improved, and rapid and real-time temperature field reconstruction can be realized.

The invention relates to the technical field of preparation of Beta molecular sieves, and discloses a method for rapidly preparing a nano Beta molecular sieve by using a microwave synthesis method, which comprises the following steps: selecting proper silicon sources (such as silicon dioxide, white carbon black and the like) and aluminum sources (such as sodium metaaluminate, aluminum sulfate and the like), adding a template agent (such as tetraethylammonium hydroxide), an alkali source (such as sodium hydroxide) and deionized water, and carrying out microwave synthesis to obtain the nano Beta molecular sieve. Uniformly mixing and stirring according to a specific molar ratio to obtain initial gel; and crystallizing the gel, wherein a conventional hydrothermal method or a microwave heating method can be adopted. And after crystallization is completed, carrying out post-treatment such as filtration, washing, drying and high-temperature calcination on the product to finally obtain the Beta molecular sieve product. According to the method for rapidly preparing the nano Beta molecular sieve by utilizing the microwave synthesis method, provided by the invention, the synthesis steps are simplified, the crystallization time is remarkably shortened, the production efficiency is improved, the particle size of the nano Beta molecular sieve is effectively controlled, and a nano-scale product with smaller particle size and more uniform distribution is obtained.

The utility model provides a glue solution curing device, which comprises a bearing assembly, a curing assembly and a curing driving assembly, and is characterized in that the bearing assembly comprises a bearing table, and the bearing table is configured to bear a battery piece; the curing assembly is arranged above the bearing assembly at intervals, the curing assembly comprises a light emitter, in the working state, the working end of the light emitter faces the battery piece, and light emitted by the light emitter is configured to cure the glue solution; the curing assembly is connected with the curing driving assembly, and the curing driving assembly is configured to drive the curing assembly to move in the three-dimensional space. According to the glue solution curing device provided by the utility model, the curing assembly is randomly driven in a three-dimensional space through the curing driving assembly, the glue solution on the battery piece is accurately cured, and the glue solution curing device is simple in structure and convenient to operate; compared with the existing method for curing the glue solution on the battery piece through a heat source, the method has the advantages that the curing speed is high, the efficiency is high, the occupied area is small, the cost is low, more heat cannot be generated after long-time curing operation, and other components cannot be damaged.

An automatic sealing flood prevention rolling shutter door comprises a rolling shutter door body capable of being unfolded according to the flood condition of the ground surface space so as to achieve opening and closing of an entrance and exit and flood prevention. The door frame system is in water tightness fit with the roller shutter door and is fixedly arranged relative to the entrance and exit; and under the non-flood condition, the roller shutter door can be stored so as to realize opening of the entrance and exit. The device can be automatically started when flood danger occurs in the earth surface space, the roller shutter door is automatically started to achieve closing of the entrance and exit, and meanwhile the flood prevention effect is achieved. The system can be remotely controlled, automatically controlled or locally controlled, has multiple operation and control modes, improves the running reliability of the roller shutter door, is suitable for flood prevention of newly-built underground projects such as subway stations and property management connection channels, underground garages and underground shopping malls or transformation of existing projects, can save civil engineering space, is convenient to operate, and improves the construction efficiency. And the device has the advantages of attractive structure, convenience in installation, no influence on normal passage, quickness in operation, short closing time and the like.

The utility model relates to the technical field of electric kettles, in particular to an all-glass electric kettle, which comprises a kettle body, a connecting structural member and a kettle bottom heating device. The kettle body comprises a kettle body and a boss-shaped kettle bottom which are integrally formed, the kettle body and the boss-shaped kettle bottom are both made of glass materials, and the connecting structural part is arranged on the boss-shaped kettle bottom in a sleeving mode and fixed through the first locking part. And the connecting structural member is detachably connected with the kettle bottom heating device. The kettle body and the boss-shaped kettle bottom are both made of the integrally-formed glass materials, and the kettle bottom heating device is installed at the bottom of the boss-shaped kettle bottom through the connecting structural part at the boss-shaped kettle bottom and used for heating the boss-shaped kettle bottom so as to heat water in the kettle body. According to the all-glass electric kettle, the problems of leakage at the joint of the stainless steel kettle bottom and the glass kettle body and unsafety of glue can be effectively solved, and the all-glass electric kettle is safe to use, completely avoids glue or silica gel, and is of a rapid installation structure, convenient to operate and high in production efficiency.

The electric power maintenance ladder comprises a hook, an insulating ladder is arranged at the lower end of the hook, a hand-cranked winch and a pulley block arranged up and down are arranged at the lower part of the insulating ladder, a pull rope is wound around the hand-cranked winch, a hook is arranged at the lower end of the pull rope, and the pulley block is composed of a pulley frame and two pulleys installed up and down on the flower wheel frame, and the lower end of the pull rope passes through the two pulleys. It has a short structure and light weight, and it saves time and effort to pull and hook; it reduces the swing amplitude, improves the stability of the operator during the maintenance process, and avoids falling; it extends the hooking distance, reduces the size of the induced current of the operator during the hooking process, and avoids the risk of electric shock; it can reduce the number of workers and is simple to operate.

The utility model relates to a connector with compact structure in the connector field, comprising a plastic cement main body and a plurality of terminals with the same structure, the front end of the plastic cement main body is provided with a liftable front cover, the upper end of the power connection end is a second power connection part, the top of the second power connection part extends upwards to form a spacing boss, and the spacing boss is provided with an opening. An inner arc-shaped groove is formed in the bottom of the end, close to the front cover, of the limiting boss, a plurality of connecting grooves used for containing the second power connection parts in a paired mode are formed in the end, close to the plastic body, of the front cover, a rotating shaft horizontally arranged and used for being clamped into the inner arc-shaped groove in a paired mode is arranged at an opening of each connecting groove, and the surface of each rotating shaft is of an arc-shaped structure matched with the inner arc-shaped groove in shape. Through the connecting structure of the rotating shaft and the inner arc-shaped groove, the connection between the front cover and the terminal is more compact, the connection between the rotating shaft and the terminal is more stable, and structures for assisting steering do not need to be additionally arranged at the left tail end and the right tail end of the front cover, so that the overall length and height of the connector can be reduced; the whole connector with the same function can be made into a shorter and flatter structure.

The present invention discloses a missile-borne UAV delivery system structure, including a UAV component, an engine component and a missile structure component; the missile structure component cover is arranged on the outside of the UAV component and the engine component, the UAV component is connected to the engine component through an explosive bolt, and the delivery power is provided by the engine component, and the explosive bolt is controlled to break through a separation controller to separate the engine component from the UAV component, and the delivery of the UAV component is completed. The present invention can effectively solve the problem of deceleration of the missile-borne UAV delivery system at the end of the trajectory, and will not introduce redundant materials to interfere with the normal operation of the UAV rotor; the separation process will not produce redundant materials except for the overall structure of the engine, the structural separation is fast, and the separation components have strong integrity, and it has high practical application value.

The invention relates to the technical field of hydrographic survey, and discloses a riverway warning-based water level detection device, which comprises an installer, a cross rod fixedly installed at the top of the installer, a water level detector arranged at one end of the cross rod, and a connecting piece fixedly connected to the outer part of the water level detector, the transmission piece enables the calibration plate to rotate to the position under the water level detector through the transmission belt, and the connecting piece can drive the water level detector to move downwards through the lifting unit. Transmission is conducted through the transmission part, the condition of the water level detector can be fed back in time through the calibration plate, continuity and accuracy of monitoring data are ensured, long-time wrong data caused by equipment drifting faults are avoided, the overall reliability of monitoring equipment is improved, rapid maintenance and replacement are achieved in cooperation with the lifting unit, and the practicability is high. Downtime caused by faults of the water level detector is shortened, long-term stable operation of the monitoring system is guaranteed, and the warning effect that the water level detector is larger than the water level of the river channel is effectively guaranteed.

The present invention discloses a connecting sealing structure of an automatic coupler gas circuit connector. The automatic coupler gas circuit connector is composed of a gas circuit connecting mechanism and an opening and closing mechanism. The opening and closing mechanism is a normally closed, top-opening valve mechanism. The normally closed state is achieved by a spring compressing the valve, and the opening state is achieved by the front sliding rod of the gas circuit connecting mechanism pushing the valve when the coupler is engaged. The gas circuit connecting mechanism includes a convex end connecting structure with a push rod and a concave end connecting structure with a front sliding rod. The push rod and the radial sealing ring arranged in the concave end connecting structure are tightly combined with the surrounding wall of the push rod to achieve sealing. The end face of the concave end connecting structure and the outer end sealing ring arranged on the end face of the convex end connecting structure are pressed and contacted to achieve sealing. The gas circuit connector of the present invention is provided with two-stage sealing, the first stage is the sealing between the push rod body and the radial sealing ring, and the second stage is the sealing between the end cover and the outer end sealing ring. The air path of the gas circuit connector is large. The gas circuit connector adopts a mutually embracing and interconnecting structure to achieve indifferent matching connection, simple installation, and simplified operation.

The invention provides a safe and synergistic drainage method for an aluminum alloy hub wetland, which comprises the following steps: S1, designing a drainage structure: based on a demand and a market research result, carrying out analogue simulation by utilizing a fluid dynamics principle, and optimizing design parameters of a drainage tank so as to improve drainage efficiency and wetland road holding; s2, analogue simulation is conducted, specifically, a three-dimensional model of a drainage system is established through CAD software, and integrated design is conducted on the three-dimensional model and the aluminum alloy hub body; according to the method, a fluid dynamics simulation technology is adopted, and the drainage structure is subjected to multiple times of iterative optimization. By accurately simulating the water flow path and speed distribution, the layout of the drainage grooves and the drainage holes which can rapidly drain water and do not affect the hub strength is designed, the drainage efficiency is improved, meanwhile, the structural safety of the hub is ensured, the running stability of a vehicle on a wet and slippery road surface can be improved, and the service life of the vehicle is prolonged. Traffic accidents caused by tire slipping, brake distance prolonging and the like are effectively reduced, and life and property safety is guaranteed.

The invention discloses a composite alloy and a preparation method thereof, belongs to the technical field of metallurgical materials, and is used for solving the problems that in the prior art, in order to improve the comprehensive mechanical property of hard alloy, a large number of other metal elements are doped, so that the cost of preparing the composite alloy is obviously increased; in addition, the technical problems of adding any fluxing agent to improve the purity of the composite alloy and simplifying the preparation process are urgently solved. The composite alloy comprises a component A and a component B, the component A comprises phosphorus, iron, chromium, nickel and molybdenum, and the component B comprises manganese, copper, titanium, calcium, magnesium, aluminum and an organic fluxing agent. And carrying out esterification reaction on the alkalized charcoal mixed solution and boric acid to obtain the organic fluxing agent. According to the prepared composite alloy, trace and various metal elements are doped, and the specific organic fluxing agent is added, so that the composite alloy with high purity and excellent comprehensive mechanical properties is prepared.

The utility model provides a wallboard installation device, and belongs to the technical field of wall installation. The wallboard installation device comprises a first supporting piece, a female hanging piece, a male hanging piece and a wallboard. The first supporting piece is fixedly connected to the wall body, the second fixing structure is fixedly connected to the first supporting piece, the first fixing structure is fixedly connected to the wall plate, the first hanging plate is inserted into the first inserting groove, the installation structure is simple, reliable and firm, installation is rapid, and the installation and disassembly efficiency is high; the problems that a traditional metal plate is difficult to maintain and disassemble, a single metal plate cannot be independently disassembled, other disassembled metal plates need to be installed and recovered after reinstallation, joints need to be glued again and the like are solved, compared with a traditional metal plate installation technology, the maintenance and replacement process is simple, convenient and rapid, and good technical advantages are achieved.

The application discloses an eudesmane type sesquiterpenoid compound and a preparation and application thereof, and obtains a novel eudesmane type sesquiterpenoid compound linderasin J from the rhizome of Lindera aggregata by simple processes such as organic solvent extraction and column chromatography separation, and the preparation method is simple and rapid, and the obtained compound has high purity. The eudesmane type sesquiterpenoid compound has good in-vitro anti-inflammatory activity, can effectively inhibit the expression of inflammatory factors IL-1 β , IL-6, iNOS and COX-2, and can be applied in the research and development of anti-inflammatory drugs. The structure optimization of the compound as a lead has important significance for the research and development of new anti-inflammatory drugs.

The embodiments of the present application provide a hybrid triangular mesh structure of a conical composite material and its forming tooling. The triangular mesh structure includes an upper end frame, a lower end frame, bidirectional spiral ribs, and upper ring ribs, middle ring ribs, and lower ring ribs; the outer contour surface of the hybrid triangular mesh structure is a conical surface; the upper end frame, the lower end frame, the bidirectional spiral ribs, and the ring ribs are an integrally formed structure; the upper end frame and the lower end frame are both "L"-shaped; the bidirectional spiral ribs are symmetrical to each other; the center line of the outer contour surface of the bidirectional spiral ribs includes equal pitch spirals, equal helical angle spirals, and short-range lines; the center line of the outer contour surface of the ring ribs is a circle on the conical surface, the middle ring ribs are located in the middle of the hybrid triangular mesh structure, and the upper ring ribs and lower ring ribs are evenly distributed along the direction of the upper end frame and the lower end frame. The present application solves the technical problem that the traditional hyperbolic oblique rib skinless composite mesh structure is not suitable for cone section structures with small structural dimensions and limited internal envelope dimensions or cone section structures with requirements for aerodynamic shape.

The invention provides a fixing structure which comprises two connecting pieces which are connected in an inserted mode, a connecting piece body extends outwards to form a plurality of extrusion parts, a plurality of extrusion grooves are formed in the connecting piece body, and the extrusion parts and the extrusion grooves are arranged at intervals. The connecting piece comprises a first connecting piece and a second connecting piece; the extrusion part and the extrusion groove of the first connecting piece correspond to the extrusion groove and the extrusion part of the second connecting piece respectively; the end part of the joint of the extrusion part and the first connecting piece body protrudes out of the first connecting piece body to form a first stop part, and the end part of the joint of the extrusion part and the second connecting piece body protrudes out of the second connecting piece body to form a second stop part; when the first connecting piece and the second connecting piece are connected in an inserted mode, the first stopping part and the second stopping part are connected in a clamped mode. According to the fixing structure provided by the invention, extra tools and complex procedures are not needed in the assembling process, assembling can be completed only by connecting the first connecting piece and the second connecting piece in a matched mode, the assembling difficulty is remarkably reduced, and the construction time is shortened.

The present invention relates to a multifunctional wire pay-off device, including a pay-off unit; the pay-off unit includes a front roller and a rear roller; the front roller and the rear roller are arranged in parallel; a wire drum is set between the front roller and the rear roller; the wire drum is tangent to the front roller and the rear roller respectively, and is used to make the wire drum rotate between the front roller and the rear roller to perform the wire collection / pay-off action. A multifunctional wire pay-off device of the present invention has a machine base provided with a front roller and a rear roller, and the wire drum is supported by the front roller and the rear roller. The wire drum only needs to be placed on the front and rear double rollers. The open design makes it easy to disassemble and assemble the wire drum, and no other fixation is required for the wire drum; the pay-off device can adopt multiple pay-off units, and the pay-off units do not interfere with each other, and can provide the pay-off function separately, or can jointly complete the pay-off action of multiple wires; it is easy to disassemble and assemble, convenient to use, the overall structure is short, and the occupation is wide. There is no fall during the pay-off construction, and there is no hooking, hanging, or clamping of the wire, which has high practicality.

The utility model relates to the technical field of steel bar truss laminated slab, specifically relates to a kind of installation structure of large-span prestressed steel bar truss laminated slab, including laminated slab body, distribution steel bar, installation component, steel bar truss, fixed component and connecting rod;The laminated slab body is set to rectangle, the distribution steel bar is installed on the two side surfaces of laminated slab body, and installation mode is set to welding and riveting, the installation component is installed on the upper surface of laminated slab body, the steel bar truss is installed on the upper surface of installation component, the steel bar truss is provided with 3, and three steel bar trusses are installed in the three-point setting of equilateral triangle, the fixed component is installed between steel bar truss, and installation mode is set to welding, the connecting rod is installed between multiple fixed components.

The invention belongs to the technical field of biology, and provides a novel method suitable for small-scale production in preclinical research or laboratory preparation and purification of mRNA with a complete structure. According to the method, mRNA is obtained through in-vitro transcription of biotinylated T7 RNA polymerase, and the mRNA with high purity and complete structure is finally obtained through a novel purification step of biotin / streptomycin affinity purification and capping. The purification loss rate of mRNA is reduced in the novel purification process, and the final yield of mRNA production is increased by 10% or above on the basis of a conventional purification method. Therefore, the method is a novel method for preparing and purifying mRNA with a complete structure, which is quicker and more convenient to operate and higher in production yield, is suitable for being widely applied and popularized in various preclinical researches of mRNA therapeutic agents and vaccines, and promotes the development of related nucleic acid drug industries.

This utility model relates to the field of mold processing technology and discloses a mold for the internal reinforcement structure of a blow molding pallet. It includes a support frame, a reinforcing mechanism at the top of the support frame, a molding assembly at the top of the inner wall of the support frame, and a blow molding assembly at the top of the molding assembly. The reinforcing mechanism includes a fixed mold, the bottom of which is fixedly connected to the top of the support frame. Multiple reinforcing grooves are formed on the bottom of the inner wall of the fixed mold, and multiple foot grooves are formed on the front and rear sides of the bottom of the inner wall of the fixed mold. Multiple flared surfaces are also formed on the inner wall of the fixed mold. In this utility model, a telescopic rod causes the moving mold to slide and close the mold, and air needles blow air to make the raw material adhere to the inner wall of the mold. The reinforcing grooves and foot grooves on the fixed mold strengthen the product during shaping. The flared surfaces increase strength and area, facilitating demolding. The structure ensures stable operation of the equipment, increases the strength of the pallet during molding, improves load-bearing capacity and durability, and meets the requirements.