39results about How to "Structural support is stable" patented technology

The invention discloses a three dimensional graphene/hollow carbon sphere/sulfur composite material, a preparation method thereof, and an application in lithium-sulfur batteries. The three dimensional graphene/hollow carbon sphere/sulfur composite material comprises nanometer elemental sulfur and a three dimensional graphene-hollow carbon sphere nano-compound, and the nanometer elemental sulfur is distributed in the three dimensional graphene-hollow carbon sphere nano-compound. The preparation method comprises the following steps: dispersing the three dimensional graphene-hollow carbon sphere nano-compound in an alcohol and water mixed solvent to obtain a suspension; and adding an aqueous solution of Na2S.9H2O and Na2SO3 into the suspension, adding an acidic solution, and reacting to obtain the three dimensional graphene/hollow carbon sphere/sulfur composite material. The composite material has the advantages of high specific capacity, stable cycle performances, and excellent rate performance and coulombic efficiency, the preparation method has the advantages of simplicity, convenience and good effect, and the composite material can be applied in the preparation of lithium-sulfur battery positive electrode materials.

A structural vent assembly comprising a back member having a forward surface and a rear surface; a mount member adapted to be secured to the support structure between the roof deck and the support structure, the mount member having a proximal end fixedly attached to the rear surface; a front member having an outer surface and an inner surface; and means for connecting the forward surface to the inner surface in spaced apart relationship to form a passage for air flow therebetween, the passage having an upper end and a lower end communicating with the air space of the roof deck.

The present invention discloses a CNTs@SiO2@Ni/Al-LDH shell structure three-dimensional nanometer material preparation, which comprises: (1) dispersing carbon nano-tubes in a solution by using hexadecyl trimethyl ammonium bromide (CTAB); (2) coating a SiO2 shell layer on the surface of the uniformly-dispersed carbon nano-tubes to form a CNTs@SiO2 core-shell structure; (3) preparing a AlOOH sol precursor; (4) coating the AlOOH sol precursor on the surface of the CNTs@SiO2 core-shell structure to form a CNTs@SiO2@AlOOH core-shell structure; and (5) preparing a CNTs@SiO2@Ni/Al-LDH core-shell structure through an in-situ growth method. The material and the method of the present invention are mainly used in the fields of super-capacitors, catalysts, sensors and the like.

The invention relates to the technical field of furniture, and discloses a method for applying a foldable wall desk. The method includes steps of forming a groove in a wall by means of digging, inserting a fixing bolt, mounting the foldable wall desk on the wall and reserving an extending end on the fixing bolt; connecting a fixing plate with a groove onto the fixing bolt in an anchored manner and inserting the extending end of the fixing bolt into the groove of the fixing plate; propping up a desk plate hinged onto the fixing plate and laying down a support rod and legs; supporting adjusting devices on a floor and inserting the support rod into spaces among adjusting teeth in an inclination manner; adjusting the adjusting devices to lift or lower the legs and enabling the desk plate to be parallel to the ground. The extending end of the fixing bolt extends out of the groove of the wall. The size of the groove of the fixing plate is identical to that of the groove of the wall. The support rod and the legs are hinged onto the bottom surface of the desk plate. The adjusting devices are connected to the lower ends of the legs. According to the scheme, the method has the advantages that the inclination of the desk plate can be adjusted, accordingly, the desk plate can be prevented from inclining due to uneven grounds or deformation of components of the wall desk after the components are used for a long time, and the mounting flexibility and the durability of the desk can be greatly improved.

The invention discloses a preparation method of a polyhydroxyalkanoate/polypyrrole composite electrospun membrane and an electrospinning membrane; the preparation method comprises the steps of preparing a polyhydroxyalkanoate fiber electrospun membrane through an electrospinning process, and then preparing the polyhydroxyalkanoate/polypyrrole composite electrospun membrane through a surface modification process. The preparation method is simple and rapid, raw materials are easy to obtain, and the prepared polyhydroxyalkanoate/polypyrrole composite electrospun membrane has good hydrophilicity and cell compatibility, can provide durable and stable skeleton structure supporting after being implanted into tissues, can regulate cell attachment and cell migration and induce tissue differentiation under electrical stimulation, and has wide application prospects in the bioengineering fields such as oriented repair of tissue.

The invention discloses a wastewater collecting device of chemical industry equipment and a working method of the wastewater collecting device. The wastewater collecting device comprises a water storage tank, a primary filtering assembly, structural plates, a flocculation assembly, a disinfection assembly, a water discharging pipe, sewage discharging pipes, a sewage discharging assembly and a supporting assembly. The end face of one side of the water storage tank is connected with the primary filtering assembly. The structural plates are fixedly installed on the two sides of the end face of the water storage tank through bolts, the flocculation assembly is installed on one side of the interior of the water storage tank, the disinfection assembly is installed on the other side of the interior of the water storage tank, and the water discharging pipe is installed at the bottom of the end face of the other side of the water storage tank in an inserted mode. A plurality of sewage discharging pipes are inserted into the bottom end surface of the water storage tank. The wastewater collecting device is firm in structural support and stable in overall structure; when in use, the wastewater treatment device has good precipitation, disinfection and filtration functions, so that impurities in wastewater are effectively removed; and meanwhile, the interior of the tank body can be cleaned, and the pollution discharge effect is good.

The invention discloses a security-enhanced ventilative pressure discharge and temperature control plastic recycling smelting furnace and relates to the field of plastic recycling equipment. The smelting furnace comprises a preparation chamber, a partition board and a material melting chamber. The left and right sidewalls of the preparation chamber are both internally provided with electric heating layers. An external heat insulation electric heating guard barrel is arranged on the outer side of the material melting chamber. A cavity is formed in the position, close to the left side, of the interior of the partition board. The left side of the cavity is connected with an electromagnetic control mechanism. The right side of the cavity is connected with a starting mechanism. The electromagnetic control mechanism is in threaded connection with the starting mechanism. The smelting furnace conducts continuous intermittent heating on plastics in the preparation chamber so that the plastics in the preparation chamber can be kept in a fluidic state all the time, and the plastics is stored well. When the plastics gets into the preparation chamber to make contact with the transition thermalization temperature of a transition thermalization tube, the fluidic state of the plastics is ensured. In the starting process, an operator can be protect against direct contact with a high-voltage switch for turning on a machine starting device, and the operation environment is safer.

The invention discloses a technology transfer unit differentiation horizontal support device. The Technology transfer unit differentiation horizontal support device comprises first platens and supportplates; side edge sliding grooves are formed in the side edges of the first platens, and sliding rods penetrate through the inner parts of the first platens, a connecting rod is installed in the middle of the support plates, and the support plates are located in the middle of the sliding rods. According to the horizontal support device for the technology transfer unit differentiation, a horizontal main panel structure of a whole operation platform is constructed by arranging the first platens, extension plates are arranged on the first platens, and the extension plates are rotatably connectedwith the first platens through connecting shafts; the extension plates can be subjected to rotation of an angle on the basis of the first platens, the extension plates can be lifted horizontally or turned down vertically, calling the extension plates is convenient, splicing plates are mutually spliced to form a whole panel structure of the first platens, under the action of the connection of installation shafts, the splicing plates can be subjected to turn-over of an angle, the splicing plates can be turned up vertically, and blocking sections on the first platens are formed.

The invention relates to a self-recovery multi-direction stretching type energy absorption superstructure. The self-recovery multi-direction stretching type energy absorption superstructure comprises a plurality of energy absorption superstructure single bodies, each energy absorption superstructure single body comprises a support and a cosine structure, each support comprises four connecting columns of the same structure, one ends of the four connecting columns are connected with the same point, and the included angles between any two adjacent connecting columns are the same; the other ends of any two adjacent connecting columns are respectively connected with one cosine structure; and external connecting structures are arranged on the sides, away from the supports, of the cosine structures, every two adjacent energy absorption superstructure single bodies are connected through the corresponding external connecting structure, and all the cosine structures on each energy absorption superstructure single body are connected with the cosine structures on the adjacent energy absorption superstructure single body through the corresponding external connecting structure. According to the self-recovery multi-direction stretching type energy absorption superstructure, energy of impact vibration can be greatly absorbed through the stretching phase change process, and the impact vibration reduction requirement of a target object is met.

The invention relates to a spherical 5R mechanism-based space expandable exposure experiment platform, which comprises a central module, a lead screw nut transmission mechanism, a connecting rod assembly, spherical 5R mechanisms, a driving mechanism and expansion blocks, and is characterized in that a plurality of expansion blocks are hinged to the peripheral edge of the central module, and a spherical 5R mechanism is hinged between every two adjacent expansion blocks; the inner side face of each unfolding block is connected with at least one connecting rod assembly, the driving mechanism is connected with the lead screw nut transmission mechanism and drives the lead screw nut transmission mechanism to drive the connecting rod assemblies to move, and the unfolding blocks and the spherical 5R mechanisms are driven by the connecting rod assemblies to be synchronously folded and unfolded. According to the exposure experiment platform, the unfolding block and the spherical 5R mechanism are folded and unfolded through cooperation of the lead screw nut transmission mechanism and the connecting rod assembly, the exposure experiment platform is folded towards the center when folded, smaller launching space is occupied, the surface area for exposure experiments is effectively increased when the exposure experiment platform is unfolded, the number of exposure experiments capable of being carried out is increased, and the development efficiency is improved. And a relatively large folding and unfolding ratio is realized.

The invention aims at providing a lifting device for a bench surface of a cutting-up bench and the cutting-up bench, and aims to achieve the advantage of entirely lifting the cutting-up bench on the premise of keeping an operation area of the cutting-up bench clean, wherein the lifting device for the bench surface of the cutting-up bench comprises side walls on two sides of a main body of the cutting-up bench, and further comprises a lifting base and a lifting column; guide columns are respectively arranged on two sides of the lifting base; lifting grooves are formed in the side walls, and matched with the section shapes vertical to the height direction and the section shapes of the guide columns; the heights of the lifting grooves are matched with the heights of the guide column; the lower end of the lifting column is fixedly arranged on the lifting base, and the lifting end of the lifting column is firmly connected with the side walls and/or the lower end face of the bench surface of the cutting-up bench; the cutting-up bench is provided with the lifting device for the bench surface of the cutting-up bench. The lifting device and the cutting-up bench provided by the invention are conducive to reaching the technical effects of entirely lifting the bench surface of the cutting-up bench and not affecting the operating environment of the operation area while lifting.

The invention relates to a fireproof plate integrated with a busbar and a battery pack, the fireproof plate integrated with the busbar comprises a fireproof plate body and the busbar, the busbar is integrally assembled on the fireproof plate body, and at least one part of the surface of the busbar is exposed from the fireproof plate body and is used for connecting a battery cell tab. According to the fireproof plate disclosed by the invention, the busbars are integrated on the fireproof plate, and when the fireproof plate is used, the battery cell tabs on which the battery cells are laid can be directly welded on the busbars of the fireproof plate body, so that the electric connection between the battery cells is realized. According to the module-free battery pack, the busbars are integrated on the fireproof plates, so that parts are reduced, the assembly process is simplified, the structure is simple, the assembled module-free battery pack is compact in internal structure and good in stability, the internal space of the battery pack is saved, and the battery pack is high in energy density and good in safety performance; the light weight of the battery pack is realized, and the automation degree is high.

The invention discloses a heat exchanger assembly, which includes a water tank, a collecting pipe and a flat tube are arranged on the outer wall of the water tank, the flat tube is inserted into the collecting pipe, and the collecting pipe The bottom has a boss that fits snugly with the outer wall of the water tank. During assembly and use, the contact area between the collecting pipe and the water tank is effectively increased through the fitting structure between the boss and the outer wall of the water tank, and the heat exchange between the collecting pipe and the water tank is improved, so that the The overall heat exchange efficiency of the heat exchanger assembly is correspondingly improved, and at the same time, the boss structure can provide additional structural support for the header to ensure a more stable and reliable matching structure between the header and the water tank. The invention also discloses a water heater using the heat exchanger assembly.

The invention discloses a preparation method of a composite electro-spun tissue engineering scaffold material, the engineering scaffold material and application thereof. The preparation method of thecomposite electro-spun tissue engineering scaffold material comprises the steps of adopting a poly (3-hydroxybutyrate-4-hydroxybutyrate) copolymer and levorotatory polylactic acid mixed material to prepare electro-spun fibers through an electrostatic spinning technology, and spinning epirubicin into a P34HB/PLLA fiber scaffold through mixed electro-spinning to prepare the epirubicin-loaded P34HB/PLLA composite electro-spun fibers. The epirubicin-loaded P34HB/PLLA composite electro-spun fibers of the composite electro-spun tissue engineering scaffold material prepared by the preparation methodhave good mechanical property and biocompatibility, proper degradation speed and excellent anti-tumor property, and have wide application prospect in the biomedical field of tumor treatment.

The invention discloses a floating mounting structure of a laser electrode plate. The floating mounting structure comprises two electrode plates, arc mounting plates and floating mounting assemblies, wherein the two electrode plates are oppositely arranged in parallel; the arc mounting plates are arranged at the outer sides of the electrode plates through insulating gaskets; the two arc mounting plates on the outer sides of the electrode plates form a hoop structure; the floating mounting assemblies are respectively arranged at the upper sides and the lower sides of the arc mounting plates; each floating mounting assembly comprises a fixed part and a floating part; the fixed parts and the floating parts are provided with matched inclined planes; and the inclined planes of the fixed parts and the floating parts are staggered with one another through drive of bolts. The floating mounting structure is firm, low in manufacturing cost, movable to mount and convenient to overhaul.

The invention relates to a Mard mechanism-based space expandable exposure experiment platform, which comprises a central module, a lead screw nut transmission mechanism, a connecting rod assembly, Mard mechanisms, a driving mechanism and expansion blocks, and is characterized in that a plurality of expansion blocks are hinged to the peripheral edge of the central module, and a Mard mechanism is hinged between every two adjacent expansion blocks; the inner side face of each unfolding block is connected with at least one connecting rod assembly, the driving mechanism is connected with the lead screw nut transmission mechanism and drives the lead screw nut transmission mechanism to drive the connecting rod assemblies to move, and the unfolding blocks and the Myard mechanisms are driven by the connecting rod assemblies to be folded and unfolded synchronously. According to the exposure experiment platform, the unfolding block and the Myard mechanism are folded and unfolded through cooperation of the lead screw nut transmission mechanism and the connecting rod assembly, the exposure experiment platform is folded towards the center when folded, smaller launching space is occupied, the surface area for exposure experiments can be effectively increased when the exposure experiment platform is unfolded, the number of exposure experiments can be increased, and the development efficiency is improved. And a relatively large folding and unfolding ratio is realized.

The invention discloses a multi-channel air-exchangable pressure-discharged temperature-controlled melting furnace for recycling plastic, the melting furnace comprises a preparation chamber and a melting chamber, wherein an electric heating layer is installed inside the side wall of the preparation chamber, a fixed connecting frame is fixed above the preparation chamber, the outer side of the melting chamber is provided with an outer heat-insulating electric heating protection cylinder, and the melting chamber is located above the fixed connecting frame. The multi-channel air-exchangable pressure-discharged temperature-controlled melting furnace achieves the purpose of continuous intermittent heating of the plastic in the preparation chamber through the uniformly-arranged electric heatingframes and electric heating nets installed on the electric heating frames, so that the plastic in the preparation chamber can be kept in a fluid state at all times, and the plastic is better stored inthe preparation chamber accordingly. When entering the preparation chamber, the plastic first enters through a material through pipe, and the plastic can be ensured in the fluid state after contactedwith transition thermalization of a transition thermalization tube. The plastic is prevented from condensation on the inner wall of the material through pipe to cause blocking of the material throughpipe.