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113results about How to "Increase mobility" patented technology

Polymer-based composite solid electrolyte, preparation method and sodium solid-state battery

The invention relates to a polymer-based composite solid electrolyte, a preparation method and a sodium solid-state battery, and belongs to the technical field of solid-state batteries. The polymer-based composite solid electrolyte is prepared from the following components in parts by mass: 8 to 12 parts of alkene polymer, 4 to 8 parts of sodium salt and 1 to 8 parts of filler, and the filler is nitrided nano TiO2. The polymer-based composite solid electrolyte can be prepared in a simple and efficient mode, the ionic conductivity is high, the electrochemical stability window is wide, the ionic conductivity reaches 0.3-1.2 mS / cm, and the electrochemical stability window reaches 4.3-5.5 V; and meanwhile, the formation of good SEI can be promoted in the sodium solid-state battery, and the interface stability between the electrolyte and the electrode is improved.
Owner:HUNAN YIHUA NEW ENERGY CO LTD +1

PPHM corrugated pipe and preparation method thereof

The invention relates to the technical field of high polymer materials, and particularly discloses a PPHM corrugated pipe and a preparation method thereof. The PPHM corrugated pipe is prepared from 100 parts by mass of polypropylene resin, 4-10 parts by mass of mica sheets, 7-12 parts by mass of carbon fibers, 10-15 parts by mass of a compatilizer, 5-15 parts by mass of a low-temperature-resistant agent and 0.8-1 part by mass of an antioxidant. The mica sheets are modified mica sheets, and the carbon fibers are modified carbon fibers; the low-temperature-resistant agent is at least one of an ethylene-vinyl acetate copolymer and a styrene-butadiene-styrene block copolymer. The PPHM corrugated pipe prepared by the invention has relatively good ring stiffness, tensile property and impact resistance at low temperature.
Owner:GKBM XIANYANG PIPELINE TECH

Kudzuvine root and sesame coffee for improving non-alcoholic fatty liver and application of kudzuvine root and sesame coffee

The invention relates to the technical field of biological medicine, in particular to radix puerariae and sesame coffee for improving non-alcoholic fatty liver and application of the radix puerariae and sesame coffee. The radix puerariae and sesame coffee comprises the following components in parts by weight: 0.5 part of a fructus cannabis polypeptide solution, 0.5 part of radix puerariae polypeptide solution and 9 parts of coffee. After continuous treatment for 7 weeks, according to liver appearance and liver histopathology observation, it is found that the radix puerariae and sesame coffee mixed liquid effectively reduces lipid deposition and liver fat, and the liver fat lesion is improved. Experimental results show that the radix puerariae and hemp coffee has a remarkable lipid-lowering effect, and can effectively reduce liver fat particles, reduce inflammatory injury, improve liver tissue pathological changes and relieve NAFLD mouse liver tissue injury.
Owner:YUNNAN UNIVERSITY OF CHINESE MEDICINE +1

Plastic bottle garbage crusher

The utility model relates to the technical field of crushers, in particular to a plastic bottle garbage crusher which comprises a crushing box and a feeding pipe erected on the upper right portion of the crushing box, a conveying belt is arranged on the inner wall of the feeding pipe, two crushing rollers are rotationally connected to the interior of the crushing box, and the discharging end of the feeding pipe faces the position between the two crushing rollers. A screening net is arranged in the smashing box, and a material collecting frame is arranged on the inner bottom wall of the smashing box. According to the plastic bottle crushing device, crushed plastic bottles fall on the surface of the screening net to be screened, plastic fragments meeting the particle size requirement penetrate through the screening net to fall into the material collecting frame, and plastic fragments which do not meet the particle size requirement can slide rightwards along the screening net; the conveying auger blade conveys the plastic fragments which do not meet the particle size requirement into the feeding pipe again, then the plastic fragments are smashed again till the plastic fragments can penetrate through the screening net, by means of the machining mode, an operator does not need to clean the surface of the screening net additionally, and operation is easy.
Owner:CHANGSHA QIUSHEN RENEWABLE RESOURCES CO LTD

A monitoring method suitable for marine glaciers

The present invention relates to the field of glacier monitoring, and specifically to a monitoring method suitable for marine glaciers. The method comprises the following steps: step one, data collection: using a monitoring module to obtain real-time monitoring data of marine glaciers; step two, data transmission: collecting data and transmitting it to a monitoring station; step three, database establishment: establishing a database for marine glacier monitoring according to a monitoring time series; step four, monitoring and analysis: real-time monitoring and analysis of marine glacier change trends; step five, establishing a DEM model: establishing a DEM model according to the data monitored by the database, based on GNSS compatible with a variety of sensors, integrating data collection, data transmission, data analysis, database and monitoring model, with high real-time performance, laying a solid foundation for real-time monitoring and refined dynamic tracking of marine glaciers, data collection continuity, accuracy, timeliness and online visualization, real-time monitoring of multiple data parameters and comprehensive analysis of marine glacier change trends.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Carbon dioxide aquatic plant bottle valve structure

The utility model discloses a carbon dioxide aquatic plant bottle valve structure which comprises a valve body, a valve core assembly and a hand wheel, the interior of the valve body is hollow, the valve body is provided with a safety cap, a first installation groove, a first branch nozzle connector, a second branch nozzle connector and a second installation groove, and the lower end of the valve core assembly is arranged in the first installation groove and makes contact with the inner side face of the first installation groove. The upper end of the valve element assembly penetrates through the upper end face of the valve body and then is connected with the hand wheel, the first branch nozzle connector is arranged on the side face of the valve body, the second branch nozzle connector is arranged on the lower end face of the valve body, the first branch nozzle connector and the second branch nozzle connector are integrally formed with the valve body, and the second installation groove is formed in the side face of the valve body and located between the first installation groove and the second branch nozzle connector. One end of the safety cap is arranged in the second mounting groove and is in threaded connection with the second mounting groove, and a through hole is formed in the safety cap and is communicated with the interior of the safety cap. The utility model has the beneficial effects that the internal air pressure can be adjusted, and the impulsive force borne by the connecting port can be reduced, so that the potential safety hazard is reduced.
Owner:ZHEJIANG ORIENTX FIRE SAFETY EQUIP

Multi-position adjusting wheelchair capable of walking up and down stairs in balanced mode

The utility model belongs to the technical field of wheelchairs, and particularly relates to a multi-position adjusting wheelchair capable of walking up and down stairs in a balanced mode, which comprises a bottom frame, four walking wheels are symmetrically installed on the left side and the right side of the bottom frame, the walking wheels are connected with first wheel shafts where the walking wheels are located through first hub motors, and two supporting legs which are symmetrical left and right are hinged to the front side of the bottom frame. The rear side of the bottom frame is fixedly connected with two first hydraulic cylinders which are symmetrical left and right, and the upper ends of the supporting legs and the first hydraulic cylinders are hinged to the seat plate. The visual sensor on the front side of the bottom frame automatically recognizes the height and gradient of the stair to adjust the postures of the front climbing assembly and the rear climbing assembly, so that the front climbing assembly and the rear climbing assembly are attached to the stair in an inclined state to replace four walking wheels to stably move on stair steps.
Owner:SHANXI UNIV

Biological lubricating oil production device

The utility model discloses a biological lubricating oil production device, which relates to the technical field of lubricating oil production, and comprises a reaction tank, a stirring device and a stirring device, the supporting part is annularly arranged and mounted in the reaction tank, and the upper surface of the supporting part is arranged in a concave-convex alternate manner; the motor and the reaction tank are coaxially arranged and mounted at the top of the reaction tank; the first rotating part penetrates into the reaction tank and is connected to the output end of the motor; the second rotating part is mounted at the end, away from the motor, of the first rotating part through a transmission structure; lubricating oil can be mixed and stirred in multiple directions through the transverse stirring structure and the longitudinal stirring structure and is not limited to a single form any more, and the transverse stirring structure and the longitudinal stirring structure can be driven to move up and down at the same time; lubricating oil is fully mixed and stirred, so that the efficiency and the usability are improved.
Owner:YOUPAI ENERGY & ENVIRONMENTAL PROTECTION TECH (TIANJIN) CO LTD

River water quality monitoring device

This invention relates to the field of river hydrological monitoring technology and discloses a river water quality monitoring device, including a float. A power auxiliary unit is located at the top of the float. A water quality monitor, a main controller, and indicator lights are located on one side of the top of the float. A second fixing plate is located at the center of one side of the float. A column is located at the outer bottom end of the second fixing plate. A cylinder is located at the lower part of one side of the column. A direction adjustment unit is located inside the cylinder. One end of the direction adjustment unit is connected to a paddle. An output shaft is located on the side of the cylinder away from the paddle, penetrating the cylinder. A second motor is located on the side of the second output shaft away from the cylinder. A torque limiting unit is located on the side of the second motor away from the second output shaft. The torque limiting unit is mechanically linked to the power auxiliary unit. A sampling unit is located at the center of the bottom of the float. The sampling unit includes a first motor, which is fixed to the bottom of the float. An output shaft is located at the bottom of the first motor. Beneficial effect: Facilitates sampling and testing of water at different depths within the same water area.
Owner:浙江省生态环境监测中心(浙江省生态环境信息中心)

Vertical spiral connector

ActiveCN222334235Uprevent rustCannot be easily disassembledPinsNutsScrew threadRainy weather
The utility model discloses a vertical spiral connector, which comprises a connector main body, a waterproof assembly and a sealing assembly, the waterproof assembly comprises a round sleeve, the inner side of the round sleeve is fixedly connected to the surface of the connector main body, the inside of the round sleeve is movably connected with a movable sleeve, the movable sleeve is positioned on the surface of the connector main body, and the sealing assembly is arranged on the movable sleeve. A moving groove is formed in the surface of the round sleeve, a moving block is fixedly connected to the surface of the moving sleeve, the moving block is slidably connected with the moving groove, a long plate is fixedly connected to the surface of the round sleeve, an elastic plate is fixedly connected to the front side of the long plate, a right-angle plate is fixedly connected to the front side of the elastic plate, and a square opening is formed in the front side of the right-angle plate. According to the utility model, the waterproof assembly is used to carry out waterproof protection on the threads of the connector, so that rainwater is prevented from flowing into the connector along the threaded connection part of the spiral connector and a component in cloudy and rainy days, the threads are prevented from rusting, and the situation that the threaded connector cannot be conveniently disassembled is prevented.
Owner:JIANGYIN XINGBO HOISTING MACHINERY CO LTD

Seedling raising box for forestry

The utility model discloses a forestry seedling culture box, which comprises a box body and a box door, the front end and the rear end of the box body are respectively and movably connected with the box door through hinges, supporting legs are fixedly arranged at four corners of the bottom end of the box body, a breather pipe is arranged on one side of the top end of the box body close to the box door, and the breather pipe is communicated with the upper end of the box body. A cover is arranged on the upper portion of the breather pipe, a water storage tank is fixedly installed on the side, away from the box door, of the box body through an installation base, a micro pump is fixedly installed in the water storage tank, a main water pipe is arranged at the upper end of the water storage tank and movably connected with the water outlet end of the micro pump, and a first control valve is arranged on the main water pipe. And the other end of the main water pipe penetrates through the box body, a vertical plate is installed on one side of the interior of the box body, and branch water pipes are sequentially arranged in the box body from top to bottom. The forestry seedling early-stage nursing device provides the best nursing for forestry seedlings in the early stage, and the survival rate of the seedlings is improved.
Owner:西宁市林业站

Spraying waterproof coating with high elasticity and high adhesion and preparation method thereof

This invention relates to the field of building waterproof coating technology, and discloses a high-elasticity, high-adhesion spray waterproof coating, which is composed of component A and component B in a mass ratio of 10:1 to 12:1. Component A includes the following components and their mass parts: 40 to 55 parts of polyurethane prepolymer, 12 to 22 parts of cement-based composite filler, 1.0 to 2.0 parts of fluorosilicone modified halloysite, 0.6 to 1.4 parts of γ-(2,3-epoxypropoxy)propyltrimethoxysilane, 0.4 to 1.2 parts of polycarboxylate cement modifier, 0.2 to 0.7 parts of antioxidant 1010, and 0.1 to 0.5 parts of defoamer. This highly elastic and highly adhesive sprayable waterproof coating and its preparation method introduce γ-(2,3-epoxypropoxy)propyltrimethoxysilane into the coating system. Its epoxy groups can react chemically with the hydroxyl groups abundant on the surface of the cement-based substrate to form stable chemical bonds. At the same time, the cement-based composite filler in component A is homologous to the cement-based substrate material, which can improve the compatibility between the coating and the substrate and effectively solve the problem of weak adhesion of organic waterproof coatings.
Owner:GUANGXI UNIV

Knife rest combined type waterproof and dustproof mechanism of machine tool

The utility model discloses a tool rest combined type waterproof and dustproof mechanism of a machine tool, which belongs to the technical field of sealing structures and comprises a box body, the box body is fixedly connected with the machine tool, a fixed shaft is fixedly mounted in the box body, a cutter head is abutted against the fixed shaft, the cutter head is movably connected with the box body, and an elastic sealing ring and a V-shaped sealing ring are arranged at the joint of the cutter head and the box body. Two sets of sealing structures of the elastic sealing ring and the V-shaped sealing ring are arranged and matched with each other, the sealing effect on the connecting position of the cutter head and the box body is achieved, scrap iron and cooling liquid can be effectively prevented from entering the tool rest, protection on the tool rest is achieved, the stability of the tool rest of the machine tool is improved, the service life of the tool rest of the machine tool is prolonged, and the practicability of the waterproof and dustproof mechanism is guaranteed.
Owner:JIANGSU HONGDA NUMERICAL CONTROL TECH CO LTD

Low temperature resistant birch plywood for cryogenic liquid storage cabin and preparation method thereof

The invention relates to the technical field of plywood, and discloses a low-temperature resistant birch plywood for a cryogenic liquid storage cabin and a preparation method thereof. The invention comprises the following steps: S1: adding epoxidized hydroxy-terminated polybutadiene, dibutyltin dilaurate and composite isocyanate to ethyl acetate in sequence, stirring evenly, heating to 50-55°C for reaction for 3-4h, adding E51 epoxy resin, heating to 80-85°C for reaction for 3-3.5h, and evacuating at 80-85°C until there are no bubbles to obtain a polyurethane modified epoxy resin; S2: adding a polyurethane modified epoxy resin, an alicyclic epoxy resin, octa(epoxycyclohexyl)POSS, diethylene glycol glycidyl ether and a curing agent to obtain an epoxy resin composite adhesive; cutting, pretreating, drying, gluing, aging, assembling, hot pressing, aging and cutting birch veneer raw materials to obtain the low-temperature resistant birch plywood.
Owner:WANMA (JIANGSU) TECHNOLOGY CO LTD

Odd shrimp toy ornament

The utility model discloses an odd shrimp toy ornament. The odd shrimp toy ornament comprises a base and an odd shrimp, the base comprises a shell, a driving mechanism and a bearing mechanism; the two driving mechanisms are rotationally connected to one side wall and the top wall of the shell correspondingly, and gears of the two driving mechanisms are in meshing transmission. The lower end of the bearing mechanism is detachably connected to a rotating shaft of the driving mechanism located on the top wall of the shell, and a supporting piece is fixed to the upper end of the bearing mechanism. The odd shrimp comprises a head body, a body body, a tail body and a tail fin body which are hinged in sequence; and the abdomen of the body is clamped on the supporting sheet. According to the utility model, the rotatable base is used for bearing the odd shrimps, so that the postures of the odd shrimps can be displayed in an omnibearing and multi-angle manner, and the mobility and the interestingness are stronger.
Owner:STEEL WARCRAFT (YUNNAN) MODEL ART CO LTD

A health state detection and early warning system for a pipeline support hanger

The utility model relates to pipeline support hanger technical field, and disclose a kind of health state detection and early warning system of pipeline support hanger, solve the problem that current pipeline support hanger is not convenient to carry out health state detection, it includes pipeline support hanger ontology, detection mechanism and wireless early warning controller, the pipeline support hanger ontology is by support base, sliding support base and sliding pipe hoop constitutes, sliding support base fixedly connected in the top of support base, sliding pipe hoop slidingly connected in the top of sliding support base, pipeline is connected with sliding pipe hoop, detection mechanism is connected between support base and sliding pipe hoop, wireless early warning controller fixedly connected in the top of support base one end, detection mechanism is by follow-up assembly and detection component constitutes, follow-up assembly is fixedly connected with sliding pipe hoop, and detection component is connected with support base;Through the system, health state detection and early warning to pipeline support hanger can be realized.
Owner:JIANGSU FUYOU ELECTRIC MASCH CO LTD

Novel rehabilitation kneecap

The novel rehabilitation knee pad is characterized in that an inner cavity is formed in the knee pad, an air bag and a heating patch are arranged in the inner cavity, the air bag is arranged on the inner side, and the heating patch is matched with the air bag in shape; the air bag comprises an air bag inlet channel, an air bag ring, an upper air bag channel and a lower air bag channel; the upper air bag channels are arranged at the two ends of the air bag ring and distributed on the left side and the right side of the air bag inlet channel, and the air bag inlet channel is arranged at the lower end of the air bag ring and is in a big shape. The utility model has the technical effects that the massage function of the air bag can massage muscles and relieve muscular soreness, and the muscle level can be properly activated and the muscle activity capability can be properly recovered for old patients.
Owner:HUBEI UNIV OF SCI & TECH

Powder screening machine for dry-type transformer castable

The invention discloses a dry-type transformer castable powder screening machine, and relates to the technical field of powder screening, the dry-type transformer castable powder screening machine comprises a base, the base is used for fixedly supporting a screening component, a supporting frame is fixedly mounted at the edge of the top of the base, and a rotating shaft feeding guide piece is rotatably mounted at the top of the supporting frame. According to the powder screening machine for the dry-type transformer castable, due to the fact that raw materials contain a large amount of dust, part of the powdery raw materials are prone to caking, the feeding port is prone to being blocked by the large amount of the raw materials during pouring, and the raw materials are stacked in the material guiding folding pipe, vibration receiving frames are arranged on the two sides of the material guiding folding pipe; the raw materials slide downwards at the moment of dumping, so that the vibration receiving frame is impacted by the raw materials to generate displacement, the inclination angle of the vibration receiving frame is changed, the raw materials are conveniently discharged from the guide folding pipe, the surface of the vibration receiving frame is arranged to be zigzag, the zigzag structure primarily disperses the raw materials when the raw materials impact downwards and make contact with the surface of the vibration receiving frame, and the caking phenomenon in the raw materials is reduced.
Owner:JIANGXI HONGTE INSULATION MATERIAL CO LTD

Moxibustion massager for cervical vertebra

The utility model discloses a cervical vertebra moxibustion massager which comprises a cervical vertebra massage part, fixing plates are fixedly connected to the two ends of the cervical vertebra massage part, and a moxibustion diffusion mechanism is arranged in the cervical vertebra massage part. The moxibustion diffusion mechanism comprises a plurality of moxibustion holes, the moxibustion holes are formed in the surface of the top of the cervical vertebra massage part, moxibustion containing cylinders are movably clamped in the moxibustion holes, and nail holes are formed in the surfaces of the outer sides of the moxibustion containing cylinders. By arranging the moxibustion diffusion mechanism and the vibration mechanism, the ignited moxibustion is placed in the moxibustion placement barrel, moxa smoke can directly act on the cervical vertebra part, warm stimulation and medicine effect of the moxibustion are exerted, local blood circulation is promoted, channel warming and cold expelling are achieved, tendons and collaterals are relaxed, and blood circulation is promoted to relieve pain; the problems of chronic strain such as neck muscle stiffness, pain and movement inconvenience and neck discomfort after cold are relieved, moxibustion and massage are carried out at the same time and cooperate with each other, and the treatment and health care effects on the cervical vertebra are improved.
Owner:SICHUAN PROVINCIAL ORTHOPEDIC HOSPITAL (CHENGDU SPORTS HOSPITAL CHENGDU SPORTS TRAUMATOLOGY INST)

Double-inlet double-spiral type efficient water inlet section

ActiveCN222502181Uincrease flow ratepromote structural adjustmentPump componentsPumpsFiltrationMechanical engineering
The utility model discloses a double-inlet double-spiral type efficient water inlet section, which relates to the technical field of multi-stage pumps, and comprises a multi-stage pump set and a water inlet section set, the bottom of the multi-stage pump set is provided with a fixed seat, the top of the multi-stage pump set is provided with a filter bin set, and the filter bin set is internally provided with a filter assembly. The water inlet section group is connected to the top of the filtering bin group in a bilateral symmetry manner. According to the double-inlet double-spiral type efficient water inlet section, through the use of the water inlet section sets, a multi-stage pump set can rapidly inject water through the water inlet section sets which are symmetrically arranged left and right, the water inlet efficiency is improved through the structure of an inner spiral pipe, and the water inlet efficiency is improved through a filtering assembly installed in a filtering bin set and the activity characteristic of the structure of the filtering assembly; according to the multi-stage pump set, water injected into the multi-stage pump set can be effectively subjected to impurity removal and filtration to a large extent, abrasion of impurities in the water to an inner core part structure of the multi-stage pump body is avoided, therefore, effective structure protection is conducted, and the maintenance cost of the multi-stage pump body is reduced.
Owner:CHANGSHA CANON GENERAL PUMPS

A fluorinated two-dimensional inorganic nanofiller reinforced PEO-based solid-state polymer electrolyte, and a preparation method and application thereof

The application relates to a fluorinated two-dimensional inorganic nanofiller reinforced PEO-based solid-state polymer electrolyte and a preparation method and application thereof, and comprises the following steps: S1, obtaining fluorinated two-dimensional inorganic nanofillers by treating two-dimensional inorganic materials with a mixed gas of fluorine and nitrogen; S2, dissolving polyethylene oxide and a lithium salt in a polar solvent, then adding the fluorinated two-dimensional inorganic nanofillers obtained in the step S1, mixing, and obtaining a uniform mixed polymer solution; and S3, pouring the mixed polymer solution obtained in the step S2 on a polytetrafluoroethylene mold, vacuum drying, and obtaining the PEO-based solid-state polymer electrolyte. Compared with the prior art, the preparation process is simple and easy to operate, the ionic conductivity of the polymer electrolyte based on the fluorinated two-dimensional inorganic nanofillers can be improved, the electrochemical stability window can be widened, and the interface stability between the electrolyte and a lithium metal electrode can be improved.
Owner:SHANGHAI JIAOTONG UNIV +1

A shaving screening machine for chipboard processing

ActiveCN224641580UReduce screening efficiencyIncrease vibration intensity
The utility model discloses a shavings screening machine for shaving board processing relates to shaving board processing technical field, including frame, spring, sieve, sieve plate, sieve pore and vibrating machine. The utility model discloses the cooperation of frame, spring, sieve, sieve plate, sieve pore, vibrating machine, prevent blocking device, turn over subassembly, rubber boss, drive belt and the sheath of using, the solution existing linear vibrating screen, since the shavings are mostly the flaky structure with certain puffy, its movement in the sieve mainly depends on the overall vibration of sieve, and the upper shavings are easily accumulated with the buffer and have poor mobility, and it is difficult to be fully shaken by sieve plate, leading to this part of shavings mobility can not be effectively screened, further influence screening effect, simultaneously, the edge of flaky shavings is easy to be stuck in sieve pore, in addition, the continuous extrusion of shavings to sieve pore in the vibration process, sieve pore is easily caused to be blocked, not only needs frequent shutdown cleaning for a period of time, also reduced screening efficiency.
Owner:JIANGSU HUIFENG WOOD IND CO LTD

Essence for nourishing hair, growing hair and nourishing scalp and preparation method thereof

InactiveCN119606804AGuaranteed moisturizingImprove stabilityCosmetic preparationsHair cosmeticsAngelica Sinensis RootAngelica sinensis Root Extract
According to the essence capable of nourishing hair, growing hair and caring scalp and the preparation method of the essence, by adopting a cacumen biotae extract, an angelica sinensis root extract and a ginger root extract and compounding corresponding auxiliary components at the same time, the prepared essence has the characteristic of integrating multiple effects of moisturizing, refreshing, growing hair, caring hair and the like; meanwhile, the cacumen biotae extract, the angelica sinensis root extract and the ginger root extract are treated by adopting a stable flocculant, so that the stability of the essence can be effectively enhanced, and the hair nourishing and growing effects of the essence are ensured.
Owner:JIANGXI YUMEI COSMETICS CO LTD

A refractory dispersant and a method for preparing the same

ActiveCN121801100Bincrease mobilityGood construction fluidityPolymer sciencePolyethylene glycol
The present application relates to a kind of refractory dispersant and its preparation method in the technical field of refractory additive, it is the comb structure copolymer, the copolymer includes styrene-maleic anhydride copolymer main chain, polyethylene glycol side chain grafted on the styrene-maleic anhydride copolymer main chain by ester bond, and phosphate radical;The polyethylene glycol side chain includes short-chain polyethylene glycol with molecular weight of 400-600 and long-chain polyethylene glycol with molecular weight of 800-1200.The present application realizes the precise division of function by using asymmetric compound polyethylene glycol side chain of specific molecular weight range, and controls esterification grafting degree is 50%-85%, not only can provide excellent initial wetting and dispersion force, ensure that slurry has excellent construction fluidity, but also can effectively prevent particle re-aggregation and sedimentation under static or shear, so as to fundamentally solve the technical problem that traditional dispersant is difficult to consider high initial fluidity and long-term anti-settling property, plasticity.
Owner:LUOYANG INST OF SCI & TECH

Locking device for door

The utility model relates to the technical field of door locking equipment, in particular to a door locking device, which comprises a locking mechanism and a pull ring, the locking mechanism is arranged in a side plate and comprises a fixed plate fixed in the side plate, a telescopic cylinder is fixedly arranged on the fixed plate, and the pull ring is arranged on the telescopic cylinder. A telescopic air cylinder is arranged on the side plate, a pull ring is arranged on the telescopic air cylinder, a pull hook matched with the pull ring is hinged to the output end of the telescopic air cylinder, an insertion opening for the pull ring to be inserted is formed in the side plate, the pull hook is located on the lower portion of the pull ring, and when the telescopic air cylinder drives the pull hook to move inwards, the pull hook can hook the pull ring to move inwards, so that the combustion chamber is sealed through the door. By arranging the locking mechanism and the pull ring which are matched with each other, tensioning or releasing of the door is achieved, sealing performance of the door is improved, environmental pollution caused by leakage of internal smoke is prevented, adjustment of tightness of the door and the combustion chamber can be achieved through the telescopic air cylinder, and mobility of the door is improved.
Owner:SHANDONG LUDA TEST INSTR

3D printing hand plate model excess material recovery device

The utility model relates to the technical field of 3D printing, in particular to a 3D printing hand plate model excess material recovery device which comprises a box body, clamping plates used for placing a printer are symmetrically arranged on the box body, rotating shafts are symmetrically arranged on the box body, side baffles used for preventing model excess materials from splashing out are symmetrically arranged on the rotating shafts, and the side baffles are arranged on the box body. The rotating shaft is provided with a first filter screen used for filtering model excess materials, the first filter screen is provided with dispersing strips used for dispersing the model excess materials, and compression shafts used for improving the rotating efficiency of the rotating shaft are symmetrically arranged on the box body. Through the arrangement of the clamping plate and the clamping plate, the printer can be erected on the box body, the height between the printer and the box body is reduced, meanwhile, the collection efficiency of the model excess materials is improved, the model excess materials are collected by the clamping plate in a centralized mode, the screening effect of the model excess materials can be improved through free sliding, the model excess materials are prevented from being accumulated in the box body, and the production efficiency is improved. And the follow-up collection effect is affected.
Owner:KUNSHAN YINGFUSI THREE DIMENSIONAL TECH CO LTD

Apparatus and method for reducing weld marks in alumina ceramic crucibles

The application provides a device for reducing welding marks in an alumina ceramic crucible, which comprises a cylindrical outer mold with a hollow structure, an inner mold arranged on the inner side of the outer mold, a cylindrical closed forming cavity arranged between the inner mold and the outer mold, a base jointed to the bottom of the outer mold, two second grouting openings in a parallelogram shape and in opposite directions arranged in the middle of the base, a feeding disc connected to the lower part of the base, and a first grouting opening arranged in the center of the feeding disc. The application also provides a method for reducing welding marks in an alumina ceramic crucible, which comprises the following steps: assembling the outer mold, the inner mold, a mold core ring, the base and the feeding disc; placing the mold into water with a temperature of 24-26 DEG C; injecting alumina ceramic grouting liquid into the mold from the first grouting opening to form; and demolding. The application can reduce welding marks in an alumina ceramic crucible and improve the quality of finished products.
Owner:JINAN HOUFA XINZHI TECH CO LTD

Aircraft engine titanium alloy thin-walled assembly welding device

ActiveCN122099516BChangeable shapeprecise positioningTitanium alloyMaterials science
The application provides a kind of aero-engine titanium alloy thin-wall assembly welding device, relating to the field of titanium alloy welding.The aero-engine titanium alloy thin-wall assembly welding device includes a device frame, further includes two upper and lower closed kettle body end cover assemblies and two left and right closed kettle body side wall assemblies in the device frame, and any one of the closed kettle body end cover assembly and the closed kettle body side wall assembly is installed with a linear hydraulic element towards the inner wall side of the device frame, for controlling the two upper and lower closed kettle body end cover assemblies and the two left and right closed kettle body side wall assemblies to separate and close, and a sealed kettle body can be formed after closing.The aero-engine titanium alloy thin-wall assembly welding device can accurately position the shaft center of two thin-wall titanium alloy parts, and high strength and toughness, fatigue resistance of product parts can be realized by using vacuum stress annealing, high-efficiency welding, high-weld quality and strong process stability can be realized.
Owner:贵州航谷动力科技有限公司

Rehabilitation nursing device for lumbar vertebra injury patient

The rehabilitation nursing device comprises a support plate, a placement bin is movably connected to the surface of one side of the support plate, a backup plate is fixedly connected to the surface of one side of the placement bin, and a pushing and lifting air cylinder is movably connected to the surface of one side of the placement bin; the other end of the pushing and lifting air cylinder is movably connected to the surface of one side of the support plate, and a nursing assembly is arranged in the containing bin. A comfortable fitting angle is formed between the placing bin and the whole device at the upper end of the placing bin and the support plate, the motor drives the two bidirectional threaded rods to rotate, the positions of the two double-layer lifting plates are changed, the two side placing plates are made to conduct extrusion deformation of a certain angle on the arc-shaped plate, and the needed comfortable bending degree is achieved; the two ends of the nursing assembly are pushed forwards through the telescopic air cylinder, the supporting strength and shape are adjusted according to the waist movement and posture change of a patient, personalized adaptation is conducted according to the waist size and shape of the patient, and various requirements during use are met.
Owner:SECOND MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL

Flexible rehabilitation instrument for knee joint

The invention discloses a flexible rehabilitation apparatus for knee joints, and particularly relates to the technical field of rehabilitation devices.The flexible rehabilitation apparatus comprises a supporting seat, a control table is fixedly connected to the front portion of the upper end of the supporting seat, and movement structures rotationally connected with driving structures are arranged at the left end and the right end of the control table; leg fixing structures are symmetrically arranged at the upper end of the moving structure front and back, and an auxiliary supporting structure slidably connected with the supporting seat is arranged on the rear portion of the inner surface of the moving structure. According to the flexible rehabilitation instrument for the knee joints, the required speed and angle are adjusted through the console, then the shanks of a patient are fixed in the movement structure through the leg fixing structure, the auxiliary supporting structure is pulled out to be supported on the bed surface, and after the movement structure and the auxiliary supporting structure are adjusted to the proper angle, the knee joints are fixed through the leg fixing structure. The driving structure drives the movement structure to operate, the legs of the patient are driven to move passively, quadriceps femoris muscles and tibialis anterior muscles of the patient are assisted in movement, and rehabilitation of the patient is helped.
Owner:WUXI HOSPITAL OF CHINESE MEDICINE