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

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 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 belongs to the field of material preparation and environment, and particularly relates to a metal-loaded covalent organic framework composite material, and a preparation method and application thereof. The composite material is prepared from the following components: metal nanoparticles and TpMA. The preparation method comprises the following steps: mixing TpMA, chloroauric acid and methanol; and then adding sodium borohydride, and reacting to obtain the product. The metal nanoparticle loaded covalent organic framework material prepared by the invention is a novel heterogeneous catalyst which is simple to prepare, green and efficient, has high catalytic activity, high degradation rate and short time, and can catalytically reduce high-concentration pollutants.

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 provides a display device, which comprises a display panel, a backlight module, and a circuit unit. The display panel comprises a back lateral surface, which is provided with an edge. The backlight module comprises a shell and a support. The shell is opposite to the back lateral surface and stays on a projection plane that is parallel to the back lateral surface. The shell is not overlapped with the edge. The shell and the edge form an accommodation space. At least part of the support extends to the edge from the shell and stretches into the accommodation space. The circuit unitcomprises a first end and a second end. The first end is connected to the display panel. The second end is opposite to the back lateral surface because the circuit unit is folded. The support is arranged between the back lateral surface and the second end of the circuit unit and is connected to and supports the second end of the circuit unit.

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 an automobile headlamp adjusting device with a spherical pair structure. The automobile headlamp adjusting device comprises a support frame arranged in a projection type headlamp shade, wherein the support frame is hinged to an outer spherical casing through a left support plate and a right support plate. An inner spherical casing is wrapped on the outer spherical casing to form a spherical pair, the front side of the inner spherical casing is provided with a projection type headlamp body, the back side of the outer spherical casing is provided with a motor rotating mechanism for driving the inner spherical casing to rotate horizontally and a motor transmission mechanism for driving the outer spherical casing to perform pitching swinging, the motor rotating mechanism is a gear and rack mechanism driven by a motor, and the outer spherical casing drives the inner spherical casing to synchronously perform the pitching swinging when performs the pitching swinging. The automobile headlamp adjusting device can provides active lighting and adapt to different gestures of an automobile body when the automobile turns, automatically adjusts horizontal deflection angles of headlamp light beams and pitching irradiation tilt angles, can meet the demands of actual road conditions well, and accordingly can improve the safety in running under the different road conditions, reduce the fatigue of a driver driving the automobile and strengthen the safety and comfort in driving.

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 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.

The present invention is a 3D evaporation coating pot structure, which includes: a revolving base plate; a revolving top plate runs around the revolving base plate by means of a support; a plating pot rotation module has a cantilever and is combined with the revolving top plate; and its gears The disc is combined with the bottom side of the cantilever; its self-rotating plating disc is combined with the cantilever and runs around in a circular orbit; and a plurality of wafer carriers are fixed on the self-rotating plating disc by the rotating shaft, and the outer ring shape The teeth are combined with the rotation of the gear disc.

The invention discloses a multi-channel smelting furnace capable of ventilating, exhausting, pressure-relieving and temperature-controlled recycling of plastics, which includes a preparation chamber and a melting chamber. There is a fixed connection frame, and an external thermal insulation electric heating sleeve is arranged on the outside of the melting chamber, and the melting chamber is located above the fixed connection frame. The multi-channel inlet, ventilated, pressure-exhausted and temperature-controlled smelting furnace for recycled plastic achieves the purpose of continuous and intermittent heating of the plastic in the preparation room through uniformly arranged electric heating racks and electric heating nets installed on each electric heating rack, making the preparation room The plastic in the chamber can be kept in a fluid state at all times, so that the plastic can be better stored in the preparation chamber. When the plastic enters the preparation chamber, it first enters through the feed pipe and contacts the transition heat of the transition heating tube. After heating, ensure its own flow state, and avoid the plastic from condensing on the inner wall of the feed pipe, which will cause the blockage of the feed pipe.

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 relates to a totally closed oil bath type reciprocating motion supporting device for a cement clinker grate cooler. The totally closed oil bath type reciprocating motion supporting device is characterized by comprising two right-angle supporting bent plates, a main hanging beam, connection blocks, bearing guide rail beams, a guide block, a guide shaft, a shaft sleeve, bearings, a lubricating oil box and a sealing cover, wherein the two right-angle supporting bent plates are oppositely fixed at the bottom of a strip-shaped shuttle-type grate plate unit along the longitudinal direction of the shuttle-type grate plate unit, and the main hanging beam is arranged between the two right-angle supporting bent plates and connected with supporting pillars; the bottom of the main hanging beam is connected with the guide block through the connection blocks; a shaft hole is formed in the center of the guide block; transverse supporting shafts are arranged on two sides of the shaft hole; the bearings are sleeved at the ends of the supporting shafts; the bearing guide rail beams are arranged on the top parts of the bearings; the guide shaft passes through the shaft hole, and is fixed on the right-angle supporting bent plates; the lubricating oil box accommodates the bearing guide rail beams, the guide block, the guide shaft, the shaft sleeve, the bearings, the connection blocks and the two right-angle supporting bent plates, and the lower part of the lubricating oil box is fixed on the right-angle supporting bent plates; and the sealing cover is covered on the top of the lubricating oil box. The totally closed oil bath type reciprocating motion supporting device has the advantages that the abrasion to machine parts is reduced to the lowest extent, the energy is saved, and the cost is reduced.

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 lower vehicle body and a vehicle body skid positioning method.The lower vehicle body comprises an engine compartment edge beam rear section outer lining plate and a rear floor edge beam middle section, and is characterized in that a punching area is formed in the part of the engine compartment edge beam rear section outer lining plate, and a plurality of front skid positioning holes sequentially formed in the X direction can be formed in the punching area; the middle section of the rear floor boundary beam is provided with at least two rear skid positioning holes which are arranged at intervals in the X direction, and the connecting line of the centers of the front skid positioning holes and the centers of the rear skid positioning holes extends towards the X direction. The structure for installing and positioning the skid is stable in supporting, can meet the requirements of vehicle types with different axle distances under platform planning and can also adapt to different sizes of the skid in various production bases, and the development cycle and cost of the whole vehicle are reduced to a certain extent.

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 distance measuring device for civil engineering construction and a using method thereof.The distance measuring device comprises a base, a mounting frame, a total-station distance measuring instrument body, an inclined supporting frame, a data recording assembly, a guiding frame, a bearing base, a supporting assembly and a lubricating assembly, and the mounting frame is fixedly mounted in the center of the top end face of the base; mounting racks are arranged on the base, a total station range finder body is mounted between the mounting racks, three inclined supporting frames are fixedly mounted on the bottom end face of the base through welding, a bearing base is connected and mounted at one ends of the bottoms of the three inclined supporting frames, and three supporting assemblies are arranged on the bottom end face of the bearing base; the distance measuring device is small in size, convenient to operate and easy to operate; the whole structure is supported more firmly, and the stability is high; moreover, the abrasion of the supporting structure can be effectively reduced, and the service life of the equipment is effectively prolonged; meanwhile, the functions are diversified, and the function of recording and processing field data can be achieved, so that the use convenience is greatly improved.

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.