12results about How to "Structurally intact" patented technology

The utility model relates to a water conservancy gate with a cleaning function. The water conservancy gate is provided with a gate frame. A gate plate is slidably arranged on the inner side of the gate frame, a first driving device used for driving the gate plate to lift and slide is further fixedly arranged on the gate frame, a first cleaning assembly used for cleaning the surface of the gate plate is slidably arranged on the gate plate, and a second cleaning assembly is fixedly arranged at the bottom of the gate plate. The first cleaning assembly comprises a sliding block arranged on the surface of the gate plate in a sliding mode and a first cleaning shovel plate fixedly arranged on the sliding block, and a second driving device used for driving the first cleaning assembly to slide is further fixedly arranged on the gate frame. The second cleaning assembly comprises a fixing plate fixedly arranged at the bottom of the flashboard and second cleaning shovel plates fixedly arranged at the two ends of the fixing plate respectively, the surface of the flashboard can be cleaned, and normal use of the flashboard is guaranteed.

The utility model provides an anti-collision structure, and relates to the technical field of anti-collision structures, the anti-collision structure comprises a main body mechanism, the main body mechanism comprises a roadbed, a pier stud penetrates through the roadbed, the pier stud is fixedly connected with the roadbed, one side surface of the pier stud is provided with an anti-collision mechanism, the anti-collision mechanism comprises an arc-shaped plate, and the arc-shaped plate is fixedly connected with the pier stud. A damping rod is arranged on one side face of the arc-shaped plate, one end of the damping rod is fixedly connected with a first fixing piece, and the first fixing piece is fixedly connected with the arc-shaped plate. According to the anti-collision device, the pier column of the bridge can be protected by arranging the anti-collision mechanism, the pier column cannot be damaged by small external impact, the anti-collision mechanism and the auxiliary mechanism are used in cooperation, and the anti-collision mechanism cannot directly make contact with the pier column when subjected to external impact, so that the pier column is prevented from being damaged. Therefore, external impact force cannot directly act on the pier column, the whole structure of the pier column can be kept intact, and the anti-collision effect on the pier column is achieved.

The household appliance comprises an electric appliance cabinet, a stainless steel inner container is movably connected to the top of an inner cavity of the electric appliance cabinet, baffles are symmetrically and movably connected to the left side and the right side of the bottom of the stainless steel inner container, and a locking assembly is rotationally connected to the top of the front face of the electric appliance cabinet; the bottom of an inner cavity of the electric appliance cabinet is rotatably connected with a recycling assembly, an inner cavity of the recycling assembly is movably connected with a recycling barrel, an inner cavity of the recycling barrel is movably connected with an arc-shaped collecting plate, the top of the right side of the electric appliance cabinet is fixedly connected with a vacuumizer, the bottom of the right side of the electric appliance cabinet is provided with a storage groove, and the top of an inner cavity of the storage groove is rotatably connected with a winding roller. And the center of the bottom of the electric appliance cabinet is fixedly connected with a cold-carrying liquid treatment cabinet. According to the household appliance using the cold carrying liquid for freezing, ice crystals generated by the household appliance in the food freezing process are faster and smaller, and the cell structure of the food is kept intact, so that the original freshness, original nutrients and original taste of the quick-frozen food can be kept.

The invention discloses a high-emissivity negative ion-modified graphene heating carbon slurry and a preparation method thereof. The raw materials are composed of the following components by weight: 15% to 35% of a binder, 15% to 35% of a conductive filler, 3% to 5% of a far-infrared emitting material, 2% to 3% of an auxiliary agent, and the balance is a solvent. The conductive filler is composed of graphene powder, conductive graphite, conductive carbon black, carbon nanotubes, and silver nanomaterials; the far-infrared emitting material is composed of tourmaline, bamboo charcoal powder, and infrared emitting powder. The invention has a simple production process, high far-infrared emissivity, and good stability of the heating carbon slurry. The product can be widely used in the fields of floor heating, wall heating, heaters, physical therapy products, etc.

The present application provides a kind of hoisting protective tool of steel structural member, including the enclosure board of channel or L shape and bracing bar, enclosure board is enclosed in the joint of the lower edge of two groove walls and outer wall surface of the channel beam or longitudinal beam of the notch of the steel structural member A to be hoisted, the corner of the outer wall surface of enclosure board is smooth curved surface transition, bracing bar is arranged between the two groove walls of channel beam or longitudinal beam, bracing bar is supported between the two groove walls and constitutes the blocking cooperation of limiting the deformation of two groove walls to the inside, ensure the structure of steel structural member is intact during the hoisting process of steel structural member, while avoiding the security risk caused by steel wire damage.

The present invention provides a method for preparing 6-aminocapronitrile, with nylon 6 extract as raw material, comprising the following steps: S1: nylon 6 extract is subjected to triple-effect evaporation concentration treatment to improve the oligomer concentration in the extract; S2: nylon 6 concentrated extract and ammonia are preheated respectively; S3: nylon 6 concentrated extract steam and hot ammonia are fully mixed according to a certain mass ratio; S4: a mixture of polyamide oligomer steam and hot ammonia obtained by S3 is subjected to ammonia dehydration reaction under the action of a catalyst to obtain an ammonia reactant; S5: the ammonia reactant obtained by S4 is separated and purified to obtain the target product 6-aminocapronitrile. The preparation method of the present invention can effectively reduce production costs, the reactant conversion rate can reach more than 97%, and the purity of the obtained 6-aminocapronitrile is more than 99.5%.

This utility model relates to the technical field of high-efficiency transmission systems for dual-stage drive shaft assemblies in vehicles. It discloses a high-efficiency transmission system for dual-stage drive shaft assemblies in vehicles, including a transport box, a cover plate, screws, and a sliding joint. The screws are threadedly connected to the top of the transport box and the top of the cover plate. The right end of the sliding joint is fixedly connected to a first shaft. Through a set fixing component, the screws fix the cover plate and the transport box, causing the spring to compress and generate elastic force, which drives two sets of rubber pads to adhere to the upper surfaces of the sliding joint and the fixed joint, longitudinally pressing the drive shaft assembly from both ends. The rubber pads make flexible contact, avoiding damage to the surfaces of the sliding joint and the fixed joint. Friction restricts its vertical movement. Combined with a rotating rod, a limiting block, and a limiting groove, the pressing state of the rubber pads is fixed, preventing vibration from causing spring failure or component loosening. This ensures the drive shaft assembly is stably positioned on the sponge pads, achieving reliable fixation and protection, and ensuring the structural integrity and performance after transportation and storage.

The utility model discloses a cab suspension lifting device and commercial vehicle, include: cab beam subassembly, including front wall crossbeam, body in white left side rail and body in white right side rail, and body in white left side, right side rail are fixedly connected with front wall crossbeam respectively, frame beam subassembly, including frame left side rail and frame right side rail, half -floating front suspension, be equipped with two, respectively corresponding install in body in white left side rail and frame left side rail, body in white right side rail and frame right side rail between, lift cylinder, its upper end connects body in white right side rail, and lower extreme connects frame right side rail, lift safety limiting mechanism, its upper end connects body in white left side rail, and lower extreme connects frame left side rail, and lift safety limiting mechanism is the structure of connecting rod, including upper connecting rod, lower connecting rod, and upper connecting rod is connected with lower connecting rod and is fixed by split pin and is rotatably connected through connecting pin axle, all be equipped with limiting hole on upper connecting rod, lower connecting rod. The utility model discloses high reliability, when cab overturns to the maximum angle, can effectively protect the safety of maintenance personnel and cab.

The present application relates to a kind of RSL3 loaded liposome-hydrogel composite delivery system, which is composed of hydrogel matrix and liposome nanoparticle uniformly dispersed in it in physical embedding manner, the liposome nanoparticle is formed by the encapsulation of ferroptosis inducer RSL3 in liposome carrier, and the liposome carrier is a lipid bilayer vesicle formed by assembling DSPC, cholesterol and DSPE-PEG2000;The hydrogel matrix is a three-dimensional porous network structure formed by Schiff base cross-linking reaction of carboxymethyl chitosan and oxidized hyaluronic acid.The present application also provides the application of the composite delivery system in the preparation of contraceptive drugs.Experiments in vivo and in vitro prove that the composite delivery system can achieve complete contraception, and the uterus is normal, liver and kidney function is normal, reproductive function is completely reversible, and the development index of offspring is qualified.The present application realizes non-hormonal, reversible and locally safe contraceptive effect by inducing trophoblast cell ferroptosis, and provides a new solution for the development of contraceptive technology.

The utility model relates to the technical field of heating cables, in particular to a high-temperature-resistant heating cable which comprises a cable sheath, a cable conductor and an inner sheath, a heating cable breakage-proof structure is arranged on the outer side of the inner sheath, and the heating cable breakage-proof structure comprises a connecting wire, a carbon fiber heating ring and a telescopic cavity. The outer side of the inner sheath is fixedly sleeved with a plurality of carbon fiber heating rings, and the inner sides of the carbon fiber heating rings are fixedly connected with connecting wires. According to the high-temperature-resistant heating cable, the end part of the carbon fiber heating ring passes through the inner sheath through the connecting wire, so that a certain amount of movable controllable space is reserved to reduce the extrusion on the carbon fiber heating ring, and the situation that the sheath of the cable is punctured by the raised position of the carbon fiber is reduced; the cable structure on the inner side can be protected to be intact while heat is transmitted outwards, the telescopic cavity is used for reserving space to reduce damage caused by extrusion, and the using effect of the high-temperature-resistant heating cable is improved.

The application discloses a two-dimensional flexible material compounded by vanadium oxyphosphate and MXene and a preparation method and application thereof, and belongs to the technical field of functional nanomaterial preparation. The application first prepares multilayer vanadium oxyphosphate through a hydrothermal method, then fully mixes vanadium oxyphosphate which is stripped through a liquid phase with MXene and polyacrylonitrile to prepare a spinning liquid, adopts an electrostatic spinning method to obtain a polymer fiber film doped with vanadium oxyphosphate nanosheets, and further carries out calcination and carbonization treatment in an ammonia atmosphere to obtain a flexible porous vanadium-based nanofiber film material. The vanadium oxyphosphate film material prepared by the method has physical properties of rich active sites, high conductivity, sufficient ion transmission channels, good flexibility and excellent self-supporting structure, has the advantages of high activity, high capacity and high stability in energy storage application, and has an excellent application prospect. The preparation process of the application is simple, energy consumption is low, and the application is suitable for industrial large-scale production.

This invention belongs to the field of gas separation and carbon capture technology, specifically relating to a CO2 adsorbent suitable for treating hot flue gas, its preparation method, and its application, particularly suitable for the efficient capture and separation of CO2 in medium- and high-temperature industrial hot flue gas systems. The adsorbent is a ternary eutectic solvent, with 4-methylimidazole (4MI) as the first hydrogen bond acceptor, 3-aminopropanol (3AP) as the hydrogen bond donor, and monoethanolamine (MEA) as the second hydrogen bond acceptor; wherein the molar ratio of 4-methylimidazole (4MI) to 3-aminopropanol (3AP) is 1:3, and the mass of monoethanolamine (MEA) accounts for 20-40 wt% of the mass of the binary eutectic solvent composed of 4MI and 3AP. This invention solves the problem of decreased absorption capacity and inability to adapt to industrial hot flue gas scenarios of existing DES-type CO2 adsorbents at medium and high temperatures, achieving efficient CO2 capture in a temperature range of 20-100℃. Simultaneously, this adsorbent possesses characteristics of water resistance, good thermal stability, and excellent cycle performance, making it suitable for industrial applications.