174results about How to "Increase load capacity" patented technology

The invention discloses a rotating cabinet track guiding rotating structure which comprises a movable plate, a fixed plate and a rotating assembly, the rotating assembly comprises a linear track, a damper and a rotating seat, the rotating seat comprises a rotating seat body, a fixed bearing, a shaft head, a supporting block, a rolling pulley and a clamping jaw, and the invention further discloses a rotating cabinet which comprises an outer fixed cabinet body and an inner movable cabinet body. The invention further discloses the rotating cabinet track guiding rotating structure. According to the track guide rotating structure of the rotating cabinet, through stable rotating control, strong load capacity and efficient space utilization, excellent stability and durability are provided, the operation complexity is reduced due to the characteristics of simplicity and easiness in operation, and the safety is ensured through precise damping and shock absorption functions; in addition, the rotary cabinet formed by assembling the outer fixed cabinet body, the inner movable cabinet body and the rotary cabinet track guiding rotary structure does not need to be additionally provided with a cabinet door, and the combined door opening and closing state of the inner movable cabinet body and the outer fixed cabinet body can be completed only through rotation.

The invention discloses dry and comfortable antibacterial menstrual period pants and a preparation method thereof, and belongs to the technical field of female hygienic products, and the preparation method comprises the following steps: beta-cyclodextrin and sophocarpidine are utilized to form a superfine capsular inclusion compound, the superfine capsular inclusion compound is adsorbed on the surface of macroporous super absorbent resin to form antibacterial composite resin powder, and the antibacterial composite resin powder is sprayed on the surface of a composite aerogel sheet; when meeting blood, the affinity of water molecules to external hydroxyl groups of cyclodextrin is enhanced, so that the binding force of matrine and beta-cyclodextrin is weakened, and matrine is released; the antibacterial composite resin powder expands when encountering water, compresses and promotes the release of the nano antibacterial inclusion compound loaded on the surface, so that the release of the matrine contained in the antibacterial composite resin powder is accelerated, and a rapid and highly-targeted antibacterial effect is realized; the composite aerogel sheet can improve the resilience force of the menstrual period trousers, has an extremely high specific surface area, a nanoscale hole structure and an extremely low heat conductivity coefficient, and can effectively prevent heat transfer and improve air permeability.

The utility model relates to a multi-shaft rotary workbench, and aims to provide a multi-shaft rotary workbench which is small in occupied space, high in load capacity and capable of achieving efficient machining. Comprising a rotating base, a first swinging unit, a second swinging unit and a plurality of rotating units, and the rotating units are installed on the rotating base side by side and can rotate around the central axis parallel to the first direction; one end of the rotating base is connected with the first swinging unit, the other end of the rotating base is connected with the second swinging unit, and the rotating base can be driven by the first swinging unit and the second swinging unit to swing in the second direction perpendicular to the first direction.

The invention relates to the technical field of cigarette manufacturing, and discloses cigarette filter stick forming paper containing bamboo ultrafine powder and a preparation method thereof, the cigarette filter stick forming paper comprises the following raw materials by mass: 40-60 parts of wood pulp cellulose, 0-35 parts of tobacco stem ultrafine powder, 10-30 parts of bamboo ultrafine powder, 20-30 parts of a modified calcium carbonate filler, 12-16 parts of essence and 1-6 parts of a cigarette paper additive; the modified calcium carbonate is obtained by compounding calcium carbonate with zeolite powder and then modifying with glyceryl triacetate. By means of the method, smoke can have the fresh and sweet fragrance of bamboos, the smoke is enriched, the smoke state and the fragrance style are improved, offensive odor and irritation of tobaccos are reduced, and the smoking quality of cigarettes is improved.

The invention relates to the technical field of transmission devices, and discloses a speed reduction motor which comprises a box body, a first-stage inner gear ring, a second-stage inner gear ring, a first-stage NGW planetary speed reduction mechanism and a second-stage small-tooth-difference planetary speed reduction mechanism are arranged in the box body, and the first-stage NGW planetary speed reduction mechanism comprises a first-stage sun gear, a first-stage planet gear, a first-stage planet carrier and a first-stage inner gear ring. The second-stage small-tooth-difference planetary reduction mechanism comprises a second-stage eccentric shaft, at least two second-stage outer gears, a second-stage pin shaft disc and a second-stage inner gear ring, each eccentric shaft section of the second-stage eccentric shaft is rotationally connected with one second-stage outer gear, one end of the box body is connected with a motor, and the other end of the box body is connected with an end cover in a plugging mode. An output shaft of the motor is in coaxial transmission connection with the first-stage sun gear, the first-stage planet carrier is connected with the second-stage eccentric shaft, and an output shaft section of the second-stage pin shaft disc penetrates through the end cover and is partially exposed out of the end cover. The total reduction ratio can reach 600 or even higher, the bearing capacity is high, the structure is simple and compact, and the occupied space is small.

The invention belongs to the field of electrochemical sensors, and relates to an electrochemical sensor for high-sensitivity detection of carbendazim and a preparation method of the electrochemical sensor. The surface of a glassy carbon electrode (GCE) is modified with an LDMS-CCN-GCT nanocomposite material prepared from dendritic large-aperture mesoporous silica, conductive carbon black nanoparticles and graphitized carbon nanotubes, and a CCN-GCT-LDMS / GCE working electrode is formed. The preparation method comprises the following steps: firstly, uniformly dispersing CCN and GCT in an N, N-dimethylformamide solution through magnetic stirring in an ultrasonic environment, wherein the CCN and the GCT are equal in mass; then, adding LDMS into the solution, and carrying out ultrasonic dispersion to obtain a uniformly mixed CCN (at) GCT (at) LDMS suspension; and finally, dispensing the uniform suspension onto the surface of GCE, and drying under an infrared lamp to prepare the working electrode CCN (at) GCT (at) LDMS / GCE modified by the CCN (at) GCT (at) LDMS nano composite material. Based on the synergistic effect generated by LDMS and CCN-coated GCT, the CCN-coated GCT-coated LDMS / GCE sensor is high in sensitivity, the detection limit can reach 7.36 nM, and the CCN-coated GCT-coated LDMS / GCE sensor has excellent carbendazim sensing detection performance.

The utility model relates to the technical field of waste glass recycling, and discloses a waste glass recycling and crushing device which comprises a base, a transmission mechanism is fixedly connected to the surface of the base, a crusher shell is fixedly connected to the surface of the base, the transmission mechanism is rotationally connected with a crushing mechanism, and the crushing mechanism is rotationally connected with the transmission mechanism. The base of the device adopts threaded ground feet, the height of the device can be adjusted by adjusting nuts, the device has the advantages of being convenient to install, simple in structure, low in cost, high in loading capacity and the like, a transmission mechanism adopts V-belt transmission, the V-belt transmission is large in friction force, compact in structure, high in transmission ratio and stable in operation, motor power can be effectively utilized, and machining cost can be reduced. A crushing mechanism in the crusher is a hammer type crushing mechanism, and the hammer type crushing mechanism has the advantages of being large in crushing ratio, high in production capacity, uniform in product, few in over-powder phenomenon, simple in mechanism, light in equipment mass, easy to operate and maintain and the like, and the hammer type crushing mechanism is suitable for crushing medium-hardness and brittle materials, can grind the materials into uniform particles and is high in production efficiency.

The invention provides an elevator with a single-cylinder and double-cylinder switching mode and a using method of the elevator. The elevator comprises a first single-cylinder elevator, a second single-cylinder elevator and a rope adjusting clutch connected between the first single-cylinder elevator and the second single-cylinder elevator. The rope adjusting clutch comprises a bearing seat, a shaft seat inner gear ring and two fixed hubs, the shaft seat inner gear ring is rotationally connected with an inner ring of the bearing seat, the two fixed hubs are connected to a main shaft of the first single-drum elevator and a main shaft of the second single-drum elevator respectively, each fixed hub is connected with a rope adjusting outer gear ring capable of sliding in the axial direction of the fixed hub, and the rope adjusting outer gear rings are connected with the bearing seat. The rope adjusting outer gear ring is connected with a shifting ring, and the shifting ring is connected with a telescopic mechanism fixed to the single-barrel elevator. When the telescopic mechanism stretches out and draws back, the shifting ring drives the rope adjusting outer gear ring to be meshed with or separated from the shaft seat inner gear ring. And switching between two modes of independent operation of the two single cylinders and synchronous operation of the two cylinders can be realized.

The invention relates to a spatial parallel mechanism, in particular to a spatial three-translation and one-rotation parallel mechanism which comprises a base, a moving platform and at least three branch chains, the moving platform is arranged above the base, and the at least three branch chains are connected between the moving platform and the base in parallel; each branch chain comprises a parallel four-connecting-rod support arm and a tail-end connecting rod, the lower end of the parallel four-connecting-rod support arm is hinged to the base, the upper end of the parallel four-connecting-rod support arm is hinged to one end of the tail-end connecting rod, the other end of the tail-end connecting rod is hinged to the movable platform, and the swing direction of the tail-end connecting rod is perpendicular to the swing direction of the parallel four-connecting-rod support arm and is parallel to the plane of the base; all the branch chains act synchronously, so that the movable platform can achieve three-degree-of-freedom translational motion and rotary motion around the vertical axis. The multi-branch parallel mechanism has the characteristics that the moving branch chains are simple in movement and can be decoupled in movement, and the multi-branch parallel mechanism is small in degree of freedom and high in rigidity, and the precision and quality of the mechanism in the operation process are easily guaranteed.

The present invention relates to the technical field of cigars, and in particular to a cigar wrapper and binder and a preparation method thereof. The method uses biological enzymes to catalyze lignin cross-linking to prepare the wrapper and binder, and can prepare wrappers and binders of different colors by hot pressing at 80°C. The prepared cigar wrapper and binder are green, environmentally friendly and non-toxic, have strong physical properties, and have moisture-proof function.

The invention discloses a pull-push continuum robot, and belongs to the technical field of continuum robots. The robot comprises a tendon pulling module, a middle module and a structural backbone pushing module. The middle module is arranged between the tendon pulling module and the structural backbone pushing module; the tendon pulling module transmits tendon driving force to the structure backbone pushing module through the middle module, and continuous robot structure deformation is completed. Tendon driving and rod driving are naturally fused, a complex spatial configuration can be achieved through at least one motor, the tendon driving rigidity is improved, and the robot control difficulty is reduced.

The present application discloses a detection method, device and inverter system for an inverter system, and belongs to the technical field of inverter systems. The detection method for the inverter system includes: obtaining the output power corresponding to the target system connected to the at least one load; the target system is used to power the at least one load; the target system includes the photovoltaic system; based on the output power and the total power corresponding to the at least one load, performing arc detection on the faulty photovoltaic strings in the photovoltaic system. The detection method for the inverter system of the present application ensures the stability of load operation during arc detection, alleviates the impact of the reduction in the output power of the inverter system on load operation, improves the performance of the load and extends the service life of the load, reduces the safety hazards caused by unstable load operation, and improves the user experience.

The present invention relates to the technical field of robot equipment, and provides a horizontal multi-joint robot, which includes an intermediate arm body and a terminal arm body; the intermediate arm body includes a bearing seat, a joint transmission shaft, an axis drive motor, a flange seat transmission shaft, a flange seat drive motor, and a first transmission assembly capable of rotating the flange seat transmission shaft; the terminal arm body includes an end arm seat connected and fixed to the joint transmission shaft, a mounting flange seat for connecting an external actuator, and a second transmission assembly capable of rotating the mounting flange seat when the flange seat transmission shaft rotates; the flange seat transmission shaft is arranged inside the joint transmission shaft, and is coaxially arranged with the joint transmission shaft and can rotate relative to the joint transmission shaft; the two ends of the flange seat transmission shaft are respectively connected to the first transmission assembly and the second transmission assembly. Compared with the prior art, by moving the axis drive motor and the flange seat drive motor forward to the intermediate arm body, the weight of the terminal arm body is reduced and the terminal load capacity is improved.

The invention discloses a multi-rotor aircraft with lift-enhanced wings, which comprises rotor power devices, a fuselage for mounting airborne equipment and connecting the rotor power devices, and a pair of independent and controllable lift-enhanced wings, the high-lift wings are mounted on the fuselage; when the multi-rotor aircraft with the high-lift wings flies, a flight control algorithm controls the tilting angles of the high-lift wings according to the attitude and the flight speed of the aircraft, so that the high-lift wings are in a proper attack angle state, and proper lift force can be provided for the aircraft. The flying speed can be increased, the cruising ability is improved, and transportation and storage are convenient.

The utility model relates to the technical field of electric tilting valves, and discloses a novel electric tilting valve which comprises a supporting pipe, annular connecting plates are fixedly connected to the front end and the rear end of the supporting pipe respectively, a plurality of mounting holes are formed in the middles of the annular connecting plates, and annular limiting grooves are formed in the front end and the rear end of the supporting pipe respectively. The middle of the inner wall of each annular limiting groove is fixedly connected with an annular rubber ring, the annular rubber rings and the limiting grooves are arranged, the rubber rings are embedded in the annular limiting grooves in the two ends of the supporting pipe, double sealing is formed through pressing, and the leakage problem caused by vibration or deformation of a traditional valve body is solved; the installation holes in the annular connecting plate support rapid flange installation, the sealing face is evenly stressed, local stress concentration caused by traditional bolt direct connection is avoided, the servo motor and the rotating shaft are arranged, the rotating angle of the rotating shaft is controlled through the servo motor, and linear adjustment of flow or pressure is achieved.

The invention relates to the technical field of urban construction, in particular to a kerb and tile visual grabbing control system. A kerb and tile visual grabbing control system comprises a visual identification module, a system control module and a six-axis mechanical arm module, the six-axis mechanical arm module comprises a mechanical arm main body and an auxiliary control assembly, the mechanical arm main body is used for grabbing and laying kerbs and tiles, and the auxiliary control assembly is used for controlling the mechanical arm main body. The mechanical arm body comprises a supporting arm, a lifting arm, a swing arm and a mechanical claw which are sequentially and rotationally connected, and the auxiliary control assembly is connected between the front end of the supporting arm and the front end of the swing arm and used for supporting the mechanical arm body and reducing the equipment load. According to the mechanical arm, the torque generated to the front end of the swing arm when the mechanical claw grabs a heavy object can be effectively shared, the load of each joint motor is greatly reduced, and therefore the structural rigidity and the movement stability of the whole mechanical arm under the heavy-load and large-arm-span working conditions are enhanced, and the precision and stability of the laying action are ensured.

The present invention belongs to the technical field of unmanned aerial vehicles, and discloses a multi-rotor unmanned aerial vehicle, including a commutator, two engines located on both sides of the commutator and arranged in a central symmetric manner, a power transmission component driven to rotate by the engines, an input and output shaft driven to rotate by the power transmission component, the input and output shafts are connected to the commutator and drive the commutator output shaft of the commutator to rotate, and the rotation direction of the input and output shafts is opposite to the rotation direction of the commutator output shaft, and the input and output shafts and the commutator output shaft are both connected to rotors. Through the above structure, the present invention can increase the load capacity and endurance time, and by using two engines, when a single engine fails, it can land safely through another engine, effectively improving the safety performance of the unmanned aerial vehicle. Moreover, the above-mentioned multi-rotor unmanned aerial vehicle of the present invention has the characteristics of light weight, small size and low vibration.

The invention discloses a crawler-type independent walking device and belongs to the technical field of independent walking devices.The crawler-type independent walking device comprises a chassis, a damping assembly, a stabilizing assembly and an auxiliary supporting assembly, driving shafts are rotationally connected to the two sides of the chassis respectively, driven shafts are rotationally connected to the two sides of the chassis respectively, and supporting shafts are arranged on the two sides of the chassis respectively; the driving shaft, the driven shaft and the supporting shaft are sleeved with a crawler belt, the damping assembly comprises a damper, the two sides of the chassis are fixedly connected with fixing plates through bolts, one end of the damper is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with a mounting plate. Vibration from the ground is effectively absorbed through the damping assembly, more stable driving experience is provided, abrasion of equipment in complex terrains can be reduced, the service life is prolonged, the equipment plays a supporting role during operation through the design of the stabilizing assembly, the load capacity is improved, and the service life of the equipment is prolonged. And the safety and the efficiency of the equipment in the operation process are ensured.

The utility model relates to the technical field of planar motors, and provides a planar motor with a supporting structure, which comprises a mover, a stator and a supporting structure, the mover and the stator are arranged at intervals along the vertical direction, a permanent magnet is arranged in the mover, a plurality of electromagnetic coils are arranged in the stator, and the supporting structure is arranged on the mover. The electromagnetic coil and the permanent magnet act to enable the mover to be supported above the stator in a suspended mode, a first installation groove is formed in the side face, facing the stator, of the mover, or a second installation groove is formed in the side face, facing the mover, of the stator, and one side of the supporting structure is arranged in the first installation groove or the second installation groove. And the other side of the supporting structure is movably connected with the stator or the rotor, so that the rotor can horizontally move relative to the stator. By arranging the supporting structure, magnetic suspension supporting and rigid supporting of the supporting structure exist between the rotor and the stator at the same time, the load capacity of the rotor can be improved, the moving resistance of the rotor can be reduced, and the motion precision of the planar motor can be guaranteed.

The utility model discloses a grain depot fumigation tablet autonomous delivery robot which comprises a chassis, damping mechanisms and a medicine delivery mechanism, the damping mechanisms and the medicine delivery mechanism are arranged on the chassis, the damping mechanisms are symmetrically arranged on the left side and the right side of the chassis, and each damping mechanism comprises a support fixed to the left side and the right side of the chassis; the direct-current motor, the driving wheel, the crawler belt, the driven wheel, the connecting shaft and the spring suspension shock absorber are installed on the support, a medicine feeding mechanism is installed at the top of the chassis and comprises a medicine bin fixed to the front end of the top of the chassis, a push plate is installed at the bottom of the medicine bin in a sliding mode, and a medicine pushing rack is fixed to the rear side of the push plate; by arranging driving wheels, ten driven wheels driven by two driving wheels on a crawler belt and a damping system provided with a spring suspension damper, a robot body is reinforced and enlarged, the load capacity is greatly improved, horizontal pushing type medicine feeding is adopted, and compared with a traditional mechanical arm, the method has the advantages that the tablet feeding cost of a robot is reduced, and the design is simple.

This utility model discloses a production fixture for turning diesel engine cylinder heads, including a worktable with legs installed at the bottom and a baffle fixed at the top. A guide mechanism is provided at the top of the worktable, and an L-shaped plate is fixed to the top of the guide mechanism. A pressing mechanism is provided on one side of the worktable. A guide groove is formed at the top of the worktable, and guide rails are installed on both sides of the inner wall of the guide groove. A slider one is slidably connected to the inner wall of the guide rails and is fixedly connected to a connecting block. A sliding groove is formed at the bottom of the guide groove, and a slider two is fixed to the bottom of slider one. This utility model provides guidance for the L-shaped plate during its movement through the guide mechanism. Simultaneously, the pressing mechanism drives the L-shaped plate to move, preventing it from retracting due to the reaction force of the cylinder head. Furthermore, the guide mechanism ensures that the clamping force generated by the pressing mechanism when holding the cylinder head is consistent, preventing cylinder head deformation due to uneven force.

The present invention discloses a novel environmentally friendly cable, belonging to the field of cable devices, including a conductive component located at a tube core, a conductive cable inserted at the gap of the conductive component, the conductive cable spirally wound at the gap of the conductive component, two adjacent conductive cables connected by a limit component, and a transfer cavity opened at one end of the conductive cable. The present invention arranges the conductive cable, and the conductive cable can quickly conduct the heat on the conductive core through the side holes and the connecting holes. First, the heat of the conductive core can be reduced to indirectly increase the load capacity of the conductive core. Second, the heat on the conductive core can be transferred through the transfer tube on frosty days to melt the ice outside the cable to avoid separation at the cable joint. Third, the released heat can drive away birds to prevent bird droppings from being contaminated on the cable and corroding the outer protective layer of the cable, thereby improving the safety and stability of cable transportation.

A belt retainer roller has a plurality of rollers and a retainer (2) that retains the rollers. The retainer (2) includes a pair of annular members (4) facing both axial ends of each roller, and a plurality of column portions (5) that are disposed at equal intervals in the circumferential direction across the outer diameter portions of the pair of annular members (4) for the rollers to be fitted into. An inner diameter portion of each annular member (4) is provided with a roller retaining claw (6) for preventing the rollers from falling toward the inner diameter side of the retainer. A retainer radial chamfer length (B) and a retainer wall thickness (A) satisfy the following relationship: 0 < B / A ≤ 1.6.

The invention discloses preparation and application of a sandwich type ZnNi-MOF electrochemical immunosensor, and relates to the field of electrochemical immunosensors, and the preparation method of the sandwich type ZnNi-MOF electrochemical immunosensor comprises the following steps: dropwise adding a biotin Ab1 solution on CeO2-Pt / streptavidin modified GCE, incubating, soaking with BSA, incubating with CA15-3 in sequence, and finally, carrying out electrochemical detection on the surface of the sandwich type ZnNi-MOF electrochemical immunosensor, so as to obtain the sandwich type ZnNi-MOF electrochemical immunosensor. And incubating the obtained electrode with a ZnNi-MOF / PEI-L012 (at) Ab2 biological conjugate, so as to obtain the sandwich type ZnNi-MOF electrochemical immunosensor. According to the present invention, the combination of ZnNi-MOF / PEI-L012 (at) Ab2 and CeO2-Pt (at) Ab1 is adopted to construct a signal opening immunosensing platform, the immunosensing platform can be used for high-sensitivity specific detection of the breast cancer marker CA15-3, and the detection limit is as low as 5.75 * 10 <-5 > U m <-1 >.

The invention relates to the technical field of couplings, in particular to a coupling applied to transmission of a sorting machine. The coupler is provided with a flexible body, the flexible body comprises an outer protection ring, an inner protection ring and a middle body, the outer protection ring and the inner protection ring are concentrically arranged, the middle body is arranged between the outer protection ring and the inner protection ring and integrally formed with the outer protection ring and the inner protection ring, and arc-shaped transition grooves are formed between the end of the middle body and the outer protection ring and between the end of the middle body and the inner protection ring. And the supporting buffer piece has elasticity and is filled in the transition groove. Besides, a safety support is further arranged in the flexible body and comprises a supporting body and a holding frame, the supporting body is composed of two supporting plates and the holding frame, the holding frame is provided with a center block and two sets of connecting plates, and the connecting plates are connected with the supporting plates and have elasticity. The safety support further comprises an outer connecting ring and an inner connecting ring which are fixedly connected with the supporting body. The anti-impact coupling achieves the effects of improving the anti-impact performance of the coupling, prolonging the service life and reducing the maintenance cost.

The present invention relates to the technical field of protein biological functions, in particular to a polypeptide, a fusion type multimeric protein and use thereof, the polypeptide is selected from: (1), a polypeptide having a substitution mutation in at least one position selected from the group consisting of positions 16, 25, 29, 49 and 58, as compared with a natural C structural domain of a protein A as shown in SEQ ID NO.1; wherein, the position 16 is subjected to a substitution mutation into leucine or valine; the position 25 is subjected to a substitution mutation into lysine, arginine, histidine or tryptophan; the position 29 is subjected to a substitution mutation into alanine, leucine or threonine; the position 49 is subjected to a substitution mutation into arginine or histidine; and the position 58 is subjected to a substitution mutation into glycine, isoleucine or alanine; or (2) a polypeptide having at least 80% of sequence identity to the polypeptide in (1) and retaining substitution mutation in at least one position selected from the group consisting of positions 16, 25, 29, 49 and 58; the polypeptide has high alkali tolerance and high loading capacity.

The utility model discloses a soft bag horizontal placement type box filling machine which comprises a material arranging and conveying mechanism and a material grabbing and carrying mechanism, and the material arranging and conveying mechanism is used for arranging and grouping conveyed soft bags so that the soft bags can be evenly distributed along the linear direction; a material grabbing clamp is fixedly arranged at the execution end of the material grabbing carrying mechanism and comprises a plurality of sets of material grabbing clamping hands arranged linearly, each set of material grabbing clamping hands is fixedly provided with a plurality of suction cup fixing plates, and each suction cup fixing plate is fixedly provided with a plurality of suction cups. And each suction cup is used for adsorbing each group of soft bags on the material arranging and conveying mechanism by means of negative pressure when the material grabbing and carrying mechanism moves to the position over the material arranging and conveying mechanism, so that the material grabbing and carrying mechanism transfers each group of soft bags from the material arranging and conveying mechanism to a packaging box in batches. The number of soft bags which can be transferred by the grabbing clamp each time is increased, the loading capacity is enhanced, and the boxing efficiency is high.

The application relates to the technical field of drug delivery, in particular to a ZIF-8 / PDA composite material and a preparation method and application thereof. The ZIF-8 / PDA composite material provided by the application has good feasibility in terms of loading and delivering curcumin. The ZIF-8 material is modified by polydopamine, and the loading effect of the ZIF-8 material as a carrier on drugs is improved. The characterization results show that the drug loading performance of ZIF-8@PDA is obviously improved. The in-vitro release experiment results show that CuR@ZIF-8@PDA has more significant pH response drug release characteristics, shows good inhibition on Staphylococcus aureus and Escherichia coli, the hemolysis rate is 3.1%, is within a safe range, the inhibition on HepG2 cells is stronger than that of CuR@ZIF-8, and more obvious oxidative stress reaction and cell apoptosis can be induced.

The utility model provides a portable inflatable leisure deck chair, and relates to the technical field of inflatable deck chairs. Comprising a left inflation plate and a right inflation plate, inflation cavities of inflation columns are communicated with inflation cavities of the left inflation plate and the right inflation plate respectively, the middle of the left inflation plate and the middle of the right inflation plate are connected through the inflation columns, supporting cloth is connected between the upper end face of the left inflation plate and the upper end face of the right inflation plate, and a plurality of woven belts are arranged on the lower end face of the left inflation plate and the lower end face of the right inflation plate. The supporting cloth, the inflatable columns and the braid form a three-layer supporting structure, so that the overall strength of the inflatable deck chair is enhanced; the air inflation and deflation device has the characteristics of simple structure, small storage volume, integrated inflation and deflation, small air leakage risk and convenience in use.

The invention discloses a high-current low-height relay, comprising an elastic reset member, a movable spring part and an armature; the movable spring part comprises a bridge movable spring piece and four movable contacts fixed at both ends of the bridge movable spring piece; the middle of the bridge movable spring piece is fixed on the armature and the movable contacts at both ends of the bridge movable spring piece are located on both sides of the armature; a first slit is also provided between the two movable contacts at the same end of the bridge movable spring piece, one end of the first slit passes through the bridge movable spring piece, and the other end of the first slit extends toward the middle of the bridge movable spring piece, so that the two movable contacts at the same end of the bridge movable spring piece are in parallel relationship; the two first slits extending toward the middle from both ends of the bridge movable spring piece do not intersect in the middle, so that the movable contacts at both ends of the bridge movable spring piece are connected in series. The invention can effectively reduce the height of the relay on the basis of ensuring that the relay has certain performance indicators, and can also solve the temperature rise problem caused by the small volume.