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116results about How to "Impact resistance" patented technology
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High-strength lightweight concrete containing hollow glass beads and preparation method thereof
The invention relates to the technical field of building materials, and particularly discloses high-strength lightweight concrete containing hollow glass beads and a preparation method of the high-strength lightweight concrete. The high-strength lightweight concrete containing the hollow glass beads is prepared from cement, fly ash, carbon fiber grafted hollow glass beads, lightweight sand, deionized water, polypropylene fiber grafted rubber particles and a water reducing agent according to the mass ratio of (58-75): (25-38): (45-65): (20-40): (42-55): (35-55): (5-12) through mixing, mold filling, vibration molding, covering and demolding. The addition amount of the hollow glass beads is strictly controlled, the influence on the overall strength of the concrete is avoided, the density and weight of the concrete are reduced due to the addition of the light sand and the hollow glass beads, the compactness and integrity of the concrete are improved due to the synergistic effect of the two added fibers, and the raw materials have excellent cohesiveness; the concrete can effectively absorb and disperse stress, and has the advantages of excellent strength, light weight, good durability and excellent comprehensive performance.
Owner:CHINA FIRST HIGHWAY ENGINEERING CO LTD +2
Fireproof plate and preparation method thereof
PendingCN119567381Ahigh strengthImprove stabilityWood working apparatusConstructions elementsEpoxyFiberglass mesh
The invention relates to the field of building materials, and particularly discloses a fireproof plate and a preparation method thereof. The fireproof board comprises a base material, reinforcing layers wrapping the two sides of the base material and fireproof coatings coating the outer surfaces of the two sides of the board, the base material comprises wood flour, silicate compounds and phenolic resin adhesives, the two sides of the base material are wrapped with glass fiber mesh cloth to serve as the reinforcing layers, and the surfaces of the base material are coated with the fireproof coatings; the fireproof coating is prepared from the following raw materials in parts by weight: 20 to 30 parts of hollow glass beads, 10 to 15 parts of ammonium polyphosphate, 5 to 10 parts of nano metal oxide, 10 to 15 parts of magnesia, 5 to 10 parts of tetraethoxysilane, 15 to 30 parts of epoxy resin and 30 to 40 parts of water. The composition disclosed by the invention has the advantages of fire prevention and high temperature resistance.
Owner:ZHANGJIAGANG FEITENG ALUMINUM COMPOSITE PANEL
Transportation vibration reduction structure of compressor and heat pump
ActiveCN222650473URealize a rigid connectionImpact resistanceHeat pumpsPositive displacement pump componentsControl theoryHeat pump
The utility model relates to a transportation vibration reduction structure of a compressor and a heat pump. The transportation vibration reduction structure of the compressor comprises the compressor, a bottom plate and a vibration reduction mechanism. The vibration reduction mechanism is provided with a first vibration reduction assembly and a second vibration reduction assembly. The second vibration reduction assembly is provided with a chassis and vibration reduction foot pads; the compressor is fixedly connected to the chassis through the first vibration reduction assembly, and the chassis is fixedly connected to the bottom plate through the vibration reduction foot pad. The fixing pieces are arranged along the periphery of the chassis at intervals; the fixing piece is arranged at the bending position of the periphery of the chassis, one end of the fixing piece is detachably connected to the chassis, and the other end of the fixing piece is detachably connected to the bottom plate. According to the transportation vibration reduction structure of the compressor, the fixing piece is arranged at the bent position of the chassis, so that rigid connection between the chassis and the bottom plate is achieved, impact force in multiple horizontal directions generated by violent jolting of the compressor in the transportation process can be better resisted, and pipeline breakage of the compressor is avoided.
Owner:GUANGDONG PHNIX ECO ENERGY SOLUTION
Elastic opening and closing shoe easy to put on and take off
ActiveCN222622299URealize easy putting on and taking off functionGuarantee stabilityUpperBootlegsMechanical engineering
The utility model discloses a pair of elastic opening and closing shoes easy to put on and take off. The shoe body comprises a sole, a vamp and an elastic piece; the vamp comprises a half sole part, a heel part and a connecting part which are all connected to the sole, the connecting part is close to the sole and is connected with the lower end parts of the half sole part and the heel part, and the upper end parts of the half sole part and the heel part are separated from each other; the heel part is suitable for being switched between a first state and a second state under the action of external force, when the heel part is in the first state, the heel part is close to the half sole part and matched with the half sole part to form a shoe opening, and when the heel part is in the second state, the heel part is far away from the half sole part and enables the shoe opening to be opened; the elastic piece is connected with the half sole part, the heel part and the connecting part and is suitable for being unfolded under the action of external force, so that the heel part enters the second state; and when the external force is lost, the elastic piece rebounds and resets, so that the heel part returns to the first state. The utility model provides an elastic opening and closing shoe easy to put on and take off, which is easy to open, has excellent recovery performance and ensures the convenience of the shoe in the putting on and taking off process.
Owner:ANTA (CHINA) CO LTD
Anti-storm anti-toppling buoy
The utility model discloses an anti-storm anti-toppling buoy which comprises a buoy body and a balance assembly, and the top of the buoy body is of a cavity structure. The balance assembly comprises a balancing weight, a fixing rod, a hinge rod and a bearing plate. The bearing plate is located in a cavity of the buoy body and is in sliding connection with the buoy body, the multiple balancing weights are located in the anti-collision support and are in sliding connection with the anti-collision support, one end of the fixing rod is fixed to the balancing weights, the other end of the fixing rod is hinged to one end of the hinge rod, and the other end of the hinge rod is hinged to the bearing plate; through the arrangement of the balance assembly, seawater is poured into the bearing plate of the buoy body through stormy waves, the gravity of the seawater is utilized to drive the bearing plate to move downwards, the balancing weight is driven to move towards the outer side of the buoy body, the gravity of the outer side of the buoy is increased, and the outer side part of the buoy can be supported by more buoyancy; the impact of large storm waves on the inner side of the buoy is reduced, so that the whole buoy is kept stable, and the buoy is balanced.
Owner:WUXI XINGYA MINGHUI TECH CO LTD
Modified polyphenyl plastic material and preparation method thereof
The invention relates to the technical field of environment-friendly materials, in particular to a modified regenerated polyphenyl plastic material and a preparation method thereof. The material is composed of a plurality of novel formula components such as regenerated polyphenyl plastic, hydrogenated SBS, PET-PBS, nano titanium dioxide, an antioxidant 1010, calcium stearate and a phosphorus-containing benzoxazine prepolymer. The preparation method comprises the following steps: synthesizing the novel component, pretreating the regenerated polyphenyl plastic, proportioning, mixing, and carrying out extrusion molding to obtain the product. Through a unique formula and a preparation process, the tensile strength, the impact strength, the thermal deformation temperature, the thermal stability, the flame retardance, the antibacterial property, the fluorescence property and the like of the modified regenerated polyphenyl plastic material are remarkably improved.
Owner:HUNAN ZHONGKE NEW MATERIAL CO LTD
A combined tube segment structure and method of manufacture
The application relates to the technical field of tunnel construction, and discloses a combined segment structure, which comprises a UHPC segment and concrete test blocks, a plurality of concrete test blocks are arranged on the outer side surface of the UHPC segment in sequence along the curvature direction of the UHPC segment, the UHPC segment is provided with main reinforcement and stirrups, the main reinforcement is provided with a plurality of strips along the curvature direction of the UHPC segment, a plurality of stirrups are sequentially sleeved on the plurality of main reinforcement and are connected with the main reinforcement through binding, the concrete test blocks are provided with transverse steel bars and longitudinal steel bars, the transverse steel bars extend to the outside of the concrete test blocks and are overlapped with the stirrups, and the longitudinal steel bars extend to the outside of the concrete test blocks and are overlapped with the main reinforcement. Compared with the prior art, the structure design realizes optimal control of material cost by filling the concrete test blocks in the non-key stress area under the premise of hardly sacrificing the core performance of UHPC materials such as strength, durability and stress condition, and effectively eliminates the core economic obstacle in the popularization process of the UHPC shield segment.
Owner:GUANGZHOU METRO GRP CO LTD +3
Mobile aluminum ladle baking device
PendingCN122076965ASmall footprintflexible layoutMelt-holding vesselsCasting safety devicesSupport planeLadle
This invention discloses a mobile aluminum ladle baking device, relating to the field of metallurgical equipment technology. It includes a base frame, with a lifting unit and several support frames fixedly mounted on the upper end of the base frame. An installation unit is located on the front side of the lifting unit, and an igniter unit is fixedly connected to the bottom front side of the installation unit. A gas delivery unit is located on the upper part of the support frames, a gas control unit is located on the upper right side of the installation unit, and an air supply unit is located on the upper left side of the installation unit. This invention, through the base frame, electric forklift, traveling unit, and support units, achieves flexible movement, rapid positioning, and stable support of the device within the work area; the lifting unit enables precise lifting of the installation unit, igniter unit, gas control unit, and air supply unit; and the gas delivery unit, gas control unit, air supply unit, and igniter unit ensure safe gas delivery and precise gas-air mixing.
Owner:JINAN HYDEB THERMAL TECH
PVC sewage and drainage pipe with noise reduction structure
This utility model belongs to the field of drainage pipe technology, specifically relating to a PVC sewage drainage pipe with a noise reduction structure. It includes a floor slab layer, a shock-absorbing layer fixedly connected to the inner wall of the floor slab layer, a heat insulation layer fixedly connected to the inner wall of the shock-absorbing layer, reinforcing ribs fixedly connected to the inner wall of the heat insulation layer, a thermal insulation layer fixedly connected to the inner wall of the thermal insulation layer, an inner pipe fixedly connected to the inner wall of the thermal insulation layer, and multiple protruding rods fixedly connected to the inner wall of the inner pipe. A protective device for the drainage pipe is provided on the top of the floor slab layer. The protective device includes two protective plates, the bottoms of which are both located on the top of the floor slab layer. This utility model solves the problem that the noise reduction design of the device sacrifices the overall rigidity of the pipe material. While a softer material layer can effectively absorb sound energy, it has weak resistance to instantaneous external forces, making it prone to dents, cracks, or even breakage. This invention enhances rigidity and improves resistance.
Owner:NANTONG YUYE PLASTIC PIPE IND CO LTD
Fuel tank mounting structure for operating machinery and operating machinery
This application relates to the field of construction machinery, and discloses a fuel tank mounting structure for construction machinery and the construction machinery itself. The fuel tank mounting structure includes: a frame comprising multiple side plates and multiple support plates, the side plates being sequentially connected to enclose a fuel tank mounting area, and the support plates being sequentially and spaced along the circumference of the fuel tank mounting area on the inner side walls of the side plates; a fuel tank disposed in the fuel tank mounting area and comprising a fuel tank body and multiple tank support plates, the support plates being spaced along the outer circumferential wall of the fuel tank body, and the fuel tank body resting on the support plates via the support plates; and a fastening assembly for locking the support plates to their corresponding support plates. The fuel tank mounting structure and construction machinery of this application can reduce the difficulty of fuel tank installation and improve fuel tank stability.
Owner:ZOOMLION EARTHMOVING MASCH CO LTD +1
Water-stop sheet applied to hydraulic engineering design
The utility model relates to the technical field of water-stop sheets, in particular to a water-stop sheet applied to hydraulic engineering design, which comprises a partition plate, an anti-tilting assembly is arranged on the back of the partition plate, the anti-tilting assembly comprises a rotating groove, the rotating groove is arranged on the back of the partition plate, a first rotating shaft is rotatably connected in the rotating groove, and a second rotating shaft is arranged in the rotating groove. The side surface of the first rotating shaft is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a first telescopic plate, one side of the first telescopic plate is movably connected with a second telescopic plate, and the bottom of the second telescopic plate is fixedly connected with a bottom plate. According to the water-stop sheet applied to the hydraulic engineering design, through cooperation of a first rotating shaft, a first telescopic rod and anti-skid thorns, the anti-push-over design is added on the back of the water-stop sheet, so that the water-stop sheet can be more stably installed at a designated position, the impact force of water flow is resisted, it is ensured that the water-stop sheet cannot move or collapse when being impacted, and the service life of the water-stop sheet is prolonged. Therefore, the overall safety is improved, and the damage frequency is reduced.
Owner:GUANGDONG YUEHAI SURVEY DESIGN & RES INST CO LTD
Cable supporting and protecting device
ActiveCN222581955UOrderly rowsprotection from damageElectrical apparatusScrew threadElectrical and Electronics engineering
The utility model relates to the technical field of electric engineering cable protection, in particular to a cable supporting and protecting device which comprises a fixing support, a connecting assembly connected to the fixing support and a cable protecting assembly movably connected with the connecting assembly, and the cable protecting assembly comprises an upper protecting plate, a lower protecting plate and an adjusting bolt. One side of the upper protection plate and one side of the lower protection plate are provided with a plurality of cable introduction ports at equal intervals, and an internal supporting structure is arranged in the cable introduction port located in one side of the upper protection plate. Locking grooves are formed in the two ends, close to the edges, of the upper protection plate and the lower protection plate, the adjusting bolts are installed in the locking grooves, the bottom ends of the adjusting bolts are fixedly connected to the lower protection plate, and the top ends of the adjusting bolts penetrate through the locking grooves in the upper protection plate and extend outwards; the adjusting bolt is in threaded connection with a locking screw; according to the device, through the combination of the fixing support, the connecting assembly, the cable protection assembly and the internal supporting structure, the cable is effectively protected against physical damage and environmental erosion, and meanwhile installation and maintenance of the cable are facilitated.
Owner:FOSHAN NANHAI HUADA ELECTRIC APPLIANCE CO LTD
Driving motor device for electric automobile
ActiveCN119561300Aavoid deformationExtended service lifeElectric machinesCooling/ventillation arrangementCompression actionElectric machinery
The invention relates to the technical field of driving motors, and discloses a driving motor device for an electric vehicle, the driving motor device comprises a casing, a motor body and a wiring port, the motor body is installed in the casing, the wiring port is installed outside the casing, the casing comprises a shell, a front end cover and a rear end cover, the shell sleeves the motor body, and through the design of a reinforcing layer and a pressure reduction assembly, the motor body is fixed to the front end cover and the rear end cover. When the driving motor device is subjected to external pressure, the pressure between the casing and the motor body is dispersed, so that the overall anti-pressure capability is remarkably improved, the casing can be effectively prevented from being deformed in long-time use, the service life of parts is prolonged, and the service life of the parts is prolonged. And meanwhile, impact and vibration from the road surface can be effectively absorbed and relieved through telescopic and compression actions of a pressure reducing rod and a pressure reducing spring in the pressure reducing assembly, the buffering performance is further enhanced through the design of a supporting rod and a supporting spring, and therefore more stable driving experience is provided, and the influence of noise and vibration on passengers is reduced.
Owner:NINGBO HENGTE AUTOMOBILE PARTS
Fully-sealed protective structure of rotary table and machine tool
ActiveCN222627058Uavoid enteringGood full sealing performanceLarge fixed membersMaintainance and safety accessoriesStructural engineeringMachine
The utility model discloses a full-sealed protective structure of a rotary table, which belongs to the field of machine tools and comprises a sliding seat, a table, a protective cover and a sealing strip, the protective cover comprises an inner protective plate and an outer protective plate, the table is rotatably mounted on the sliding seat, a groove is arranged at the bottom of the table, the inner protective plate is mounted on the periphery of the sliding seat and fixedly connected with the sliding seat, and the outer protective plate is fixedly connected with the sealing strip. The outer-layer protection plate is arranged outside the inner-layer protection plate, the top of the outer-layer protection plate is embedded into the groove, a gap is reserved between the outer-layer protection plate and the groove, the sealing strip is installed at the top of the outer-layer protection plate and located in the gap, and the top of the sealing strip abuts against the bottom of the workbench, so that a sealing structure is formed between the protection cover and the workbench. The protective cover has good full-sealing performance, and splash and dust are prevented from entering the protective cover; the protection device is good in stability, can resist mechanical vibration and external impact, and provides lasting protection. The utility model further relates to a machine tool comprising the full-sealing protection structure of the rotary table.
Owner:NEWAY CNC EQUIPMENT (SUZHOU) CO LTD
A mold frame assembling structure of a brick mold
The utility model relates to the technical field of brick making mould, specifically disclose a kind of mould frame assembly structure of brick making mould, including frame, the left and right sides in the inside of frame are all provided with baffle, the front and back two side walls of two baffle are all fixedly connected with positioning boss, the front and back two sides of frame inner wall are all provided with the positioning groove that is compatible with positioning boss, the left and right sides of the bottom end of frame inner wall are all provided with multiple limit hole, the bottom end of two baffle is all fixedly connected with multiple limit post compatible with limit hole, the positioning boss of baffle is inserted into the positioning groove of frame inboard wall, simultaneously, the limit post of baffle bottom is inserted into the limit hole of frame bottom, and then through the multiple cooperation structure of positioning boss and positioning groove, limit post and limit hole, the quick and accurate positioning of baffle and frame is realized, and positioning accuracy and assembly efficiency are greatly improved.
Owner:KAIFENG HENGTONGYUAN FLY ASH FORMING EQUIP CO LTD
A universal connection structure for modular, splicable accessories
ActiveCN224742675Uavoid axial looseningResist shock
The utility model discloses a kind of general connecting structure of modularization splicing type ornament, including male connector, the right side of male connector is provided with female connector, first installation slot is fixedly connected with supporting block, sliding slot is opened on the right side outer wall of supporting block, sliding rod is fixedly connected in sliding slot, sliding block is movably sleeved on the outer wall of both sides of sliding rod, the outer wall of sliding block is fixedly connected with limit plate, the outer wall of limit plate is fixedly connected with triangular block, triangular groove is opened on the inner wall of both sides of second installation slot.The general connecting structure of modularization splicing type ornament, male connector supporting block, sliding block is pushed out by second spring thrust, drive limit plate to make triangular block embed female connector triangular slot, anti-vibration impact prevents axial loosening, lays the connecting foundation, male connector deflection plate is reset by torsion spring, strip block is clamped into female connector strip slot, transverse lock is complementary with longitudinal lock, and connection stability is greatly improved.
Owner:FUJIAN CHUNHE DAILY NECESSITIES IND CO LTD
Novel ultrasonic welding wire harness
ActiveCN222600542UImprove temperature resistancedelay agingClimate change adaptationInsulated cablesThermal dilatationUltrasonic welding
The utility model relates to the technical field of ultrasonic welding, in particular to a novel ultrasonic welding wire harness which comprises a wire harness body, a first connecting shell and a second connecting shell are arranged on the outer sides of the two ends of the wire harness body, and circular ring bodies are fixedly connected to the outer sides of the first connecting shell and the second connecting shell; the thermal expansion pipes are fixedly connected to the outer side of the wire harness body; the fixing sheet is arranged on the outer side of the joint of the two groups of adjacent wire harness bodies; the grooves are formed in one side of the fixing piece. According to the utility model, the defects in the prior art are overcome, the expansion pressure of the wire harness can be relieved, the elastic support is provided, the thermal expansion difference is absorbed, and the temperature resistance of the wire harness is improved by arranging the spiral wire harness body and the outer thermal expansion tube, so that the aging and degradation risks of the wire harness are reduced, and the service life of the wire harness is prolonged; through the design of the circular ring bodies on the outer sides of the first connecting shell and the second connecting shell, the fixing pieces and the grooves, the stability and reliability of wire harness connection can be improved, and the possibility of loosening or breaking of the wire harness connection position is reduced.
Owner:JIANGSU YIDAOFU NEW MATERIAL TECHNOLOGY CO LTD
Mullite-silicon carbide lining block with anchoring structure
This utility model discloses a mullite-silicon carbide lining block with an anchoring structure, belonging to the technical field of rotary kiln lining structure. It includes a rotary kiln shell, an insulation layer on the inner wall of the rotary kiln shell, several mullite-silicon carbide bricks interlocked on the inner wall of the insulation layer, and anchoring components for anchoring the insulation layer and each mullite-silicon carbide brick. Through the interlocking of pre-embedded arc-shaped anchoring strips on the kiln shell with anchoring connecting seats within the mullite-silicon carbide bricks, and the threaded connection between the spiked bar and the inserted protrusion, a strong mechanical locking force is formed. This design tightly connects the heavy mullite-silicon carbide bricks, the lightweight insulation layer, and the kiln shell into a cohesive whole, effectively resisting the centrifugal force generated by the rotation of the rotary kiln, the impact force of materials, and long-term vibration, completely preventing the loosening and detachment of the mullite-silicon carbide bricks, and greatly improving the overall stability and reliability of the lining structure.
Owner:JIANGSU NUOMING HIGH TEMPERATURE MATERIALS CO LTD
A wear-resistant trolley funnel liner
This utility model discloses a wear-resistant trolley funnel liner. The liner includes a base layer and a weld overlay layer. The weld overlay layer is welded to the surface of the base layer. The base layer and the weld overlay layer are formed into an integral structure using a multi-layer weld overlay process. Each weld overlay layer is tightly bonded to the adjacent layer and the base layer, forming a continuous and dense composite structure. The base layer is made of low-carbon steel to ensure that the liner has sufficient strength and toughness to withstand material impact. The weld overlay layer is made of chromium carbide alloy to provide good wear resistance. The low-carbon steel of the base layer has good toughness and can absorb and disperse impact energy; while the chromium carbide alloy layer of the weld overlay layer has high hardness and can resist direct impact and wear from materials. This greatly enhances the impact resistance of the liner, reduces deformation and cracking caused by material impact, ensures the normal use of the funnel, and avoids environmental pollution and material waste caused by material leakage.
Owner:JIANGXI COPPER GRP DEXING CASTING CO LTD
Anchoring cable hole-forming device for loose-packed strata
Owner:SICHUAN JIAOTOU CONSTR ENG CO LTD
Multi-layer wave dissipating device capable of adjusting wave dissipating capacity
PendingCN119640727AExpanded area is largeReduce the unfolded areaBreakwatersQuaysEconomic benefitsStructural engineering
The invention discloses a multi-layer wave dissipating device capable of adjusting wave dissipating capacity. The device comprises a plurality of layers of wave dissipating devices; each wave dissipation device comprises a manger board, a winding drum and a fixing pile. The winding drum is installed at the top end of the fixing pile, one end of the manger board is connected with the winding drum, and the manger board can be rolled up or unfolded through rotation of the winding drum. By means of the design, the wave dissipating device can adjust the wave dissipating capacity according to actual requirements, and the wave dissipating device is suitable for wave protection requirements under different sea conditions. The multi-layer wave dissipation device is simple in structure, each layer of wave dissipation device is relatively independent and easy to assemble and replace, the construction cost is effectively reduced, and the multi-layer wave dissipation device has good economic benefits.
Owner:HUANENG CLEAN ENERGY RES INST +1
Splicing type tool clamp for reinforcing chassis of military special vehicle
The utility model discloses a splicing type tool fixture for reinforcing military special automobile chassis belongs to tool fixture technical field, and it includes workbench, and the flexible arrangement of multiple clamping mechanisms and fixed agencies on workbench can, and the outer wall of the support frame of clamping mechanism is equipped with the mounting groove, the fixed agency includes screw rod, slide bar, and the fixed plate of cooperation with screw rod and along slide bar sliding and the plugboard connected in fixed plate, and the stable insertion of plugboard in mounting groove can be driven to the screw rod, and high -strength locking of clamping mechanism is in workbench, and the hydraulic rod drive clamping plate in clamping mechanism carries out the clamping to chassis. The utility model solves the problem that the rigidity of existing fixture connection is insufficient and the commonality is poor, has the advantages such as locking reliable, positioning stable, the flexible adaptation of different model chassis, and the strong commonality.
Owner:SUZHOU HONGSHUN AUTOMATIZATION EQUIP CO LTD
Cylindrical lithium-ion cell and battery pack
ActiveCN224318486UGuaranteed to workActs as double insulationSecondary cellsElectrical batteryPole piece
The utility model provides a cylindrical lithium ion electric core and battery pack, including metal shell, upper cover, lower cover, positive pole piece, negative pole piece, diaphragm, electrolyte and hollow tube, positive pole piece, negative pole piece and diaphragm are around the hollow tube winding setting, and the support structure around the hollow tube is set to the end of hollow tube, this scheme makes the structure of electric core inside more stable, and the hollow tube in the electric core increases the direct path of additional heat conduction, can promote the heat even distribution of electric core itself, can also effectively transmit the heat from the battery inside.
Owner:HUZHOU YONGXING LITHIUM BATTERY TECH CO LTD
Antibacterial nanofiltration membrane and preparation method thereof
ActiveCN121668983Bimprove performanceImprove antibacterial persistenceSemi-permeable membranesWater/sewage treatment bu osmosis/dialysisUltrafiltrationTaurine
The application relates to the technical field of membranes, in particular to an antibacterial nanofiltration membrane and a preparation method thereof. The method comprises the following steps: polyethylene imine / tannic acid pretreatment is carried out on a polyethersulfone sulfone ultrafiltration membrane substrate; first interfacial polymerization of a water phase containing piperazine, guanidino butylamine sulfate and taurine and an organic phase containing trimesoyl chloride is sequentially carried out; secondary water phase back immersion is carried out by using a taurine solution; a cross-linking anchoring agent with 20%-22% maleimide double bonds is prepared; the cross-linking anchoring agent is used for anchoring-densification treatment together with trimesoyl chloride; and finally, acid / alkali alternation and heat curing are carried out. Through unique step design and function component synergy, a stable antibacterial and anti-pollution structure is constructed in the separation layer, and the problems of easy biological pollution and easy loss of antibacterial agents of traditional nanofiltration membranes are solved. The obtained membrane has long-acting antibacterial property, high flux recovery rate, high ion selectivity and excellent acid / alkali cycle stability.
Owner:SHANDONG ZHAOJIN MOTIAN
A quick-plug electrical connector
ActiveCN224683526USolve the problem of looseness and failureResistance strengthElectrical connectionStructural engineering
The utility model discloses a kind of quick plug type electric connectors, it is related to electric connector technical field, including socket and clamping assembly;Socket: inside front end is inserted with plug, the surface of the plug is equipped with connecting assembly and disassembly component, the connecting assembly and disassembly component are connected;Clamping assembly: including connecting plate, clamping strip and clamping hole, the upper and lower ends of the surface of the plug are fixed with two corresponding connecting plates, the front side of the connecting plate is equipped with sliding port, the inside sliding connection of the sliding port has clamping strip, two clamping strips are fixed on the surface of socket, the front side of the clamping strip is equipped with clamping hole, the connecting assembly is connected with two clamping holes, by setting clamping assembly, the stability of socket and plug connection can be effectively improved, the connecting assembly includes fixed plate, clamping column, limit ring, spring and rubber column, the stability of connection can be maintained, and it is convenient and fast to plug in and pull out.
Owner:TAIXING WEIHANG OPTOELECTRONIC TECH CO LTD
Curtain upper beam
ActiveCN224187464UEasy to installEasy to disassembleLight protection screensMechanical engineeringPhysics
Owner:ZHEJIANG YIANO SHADING TECH CO LTD
Exterior wall calandria profiling die
The utility model relates to the technical field of shaping mould, and the utility model provides a outer wall row pipe shaping mould for positioning row pipe when pouring outer wall, including shaping formwork, a plurality of through holes are set up on the shaping formwork, and the through hole is corresponding with row pipe one to one, and the shaping formwork is used for installing and positioning row pipe through the through hole, the connecting rod has a plurality of, and at least one connecting rod is set up between adjacent two row pipes, and the connecting rod is used for limiting row pipe, the fastener detachable is set up on the shaping formwork, and the fastener fixes the connecting rod on the shaping formwork, the utility model solves the technical problem that the present technical problem of easy misplacement of municipal row pipe when pouring concrete.
Owner:SHIJIAZHUANG HOUSE DEV CONSTR CORP
Anti-deformation high-strength plastic bottle
ActiveCN222572797UExtended service lifeeasy to produceBottlesContainer/bottle contructionPolymer sciencePolyethylene terephthalate glycol
The utility model discloses an anti-deformation high-strength plastic bottle which comprises a bottle body, and the bottle body comprises an outer layer, a reinforcing layer and an inner layer which are sequentially arranged. The outer layer, the reinforcing layer and the inner layer are of an integrated structure through three-layer co-extrusion. The outer layer is made of a polyethylene glycol terephthalate material, and the wall thickness of the outer layer is 0.2-0.4 mm; the reinforcing layer is made of glass fiber reinforced plastics, and the wall thickness of the reinforcing layer is 0.4 mm-0. 6mm; the inner layer is made of polypropylene materials, and the wall thickness of the inner layer ranges from 0.2 mm to 0.4 mm. According to the anti-deformation high-strength plastic bottle provided by the utility model, the integrated design of a multi-layer structure is adopted, so that the production process is simplified, the production cost is reduced, meanwhile, the external impact and pressure are effectively resisted by adding the reinforcing layer, and the service life of the bottle is prolonged; meanwhile, the outer layer and the inner layer are made of polyethylene glycol terephthalate and polypropylene materials, so that the packaging bag has good chemical stability and sanitation performance and is suitable for packaging food and beverages.
Owner:LIANGHE PACKAGING (ZHEJIANG) CO LTD
Prefabricated cabin type electrochemical energy storage environment simulation test device
PendingCN119667500AMeet the lifting requirementsGuarantee test safetyElectrical testingFire rescueStructural engineeringElectrochemistry
The invention relates to a prefabricated cabin type electrochemical energy storage environment simulation test device which comprises a multifunctional environment simulation test device buried underground, the multifunctional environment simulation test device comprises a box body and an environment simulation assembly arranged on the box body, and the top of the box body is opened and closed through a box door; the bridge crane is used for hoisting the prefabricated cabin type electrochemical energy storage cabin to enter and exit from the top opening of the box body; the fire-fighting assembly is used for extinguishing fire in the box body; the underground structure is adopted, the hoisting requirement of the large prefabricated cabin type electrochemical energy storage cabin can be met, fire can be extinguished timely and effectively when the energy storage battery pack is on fire accidentally in the test process, and the test safety is ensured. The multifunctional environment simulation test device is arranged underground, and the box body door is opened upwards, so that the prefabricated cabin type electrochemical energy storage cabin is convenient to hoist and carry, the carrying problem of the prefabricated cabin type electrochemical energy storage cabin is solved, and the requirement of the large prefabricated cabin type electrochemical energy storage cabin for environment simulation test is met.
Owner:POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD
Welded aluminum honeycomb panel packaging box and manufacturing method
ActiveCN117699234BImpact resistanceSimple structureRemovable lids/coversRigid containersAluminum honeycombMechanical engineering
The application provides a welded aluminum honeycomb plate packaging box and a manufacturing method, which comprises: a box body, the box body comprises a containing cavity for storing products, the box body has a first filling gap inside, and a filling material is arranged in the first filling gap; a cover body, the cover body is arranged above the box body, the cover body is detachably connected with the box body, the cover body has a second filling gap inside, and a filling material is arranged in the second filling gap; wherein the filling material comprises a plate body assembly and a gap in the plate body assembly, the plate body assembly comprises at least two connecting plates, the at least two connecting plates are connected in sequence, and the included angle between adjacent two connecting plates ranges from 0 DEG to 180 DEG. The welded aluminum honeycomb plate packaging box and the manufacturing method solve the technical problems of heavy weight and simple structure of the packaging box for storing precision equipment in the related art.
Owner:QINGDAO TAIHONG TRACK EQUIP