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Group management method, terminal, and storage medium
ActiveUS20180063061A1information disturbance to the user resulted from a large quantity of valueless messages is avoidedreduce pressureData switching networksRankingDegree of interest
Disclosed is a chat group management method, including: detecting a message receiving mode corresponding to a chat group; obtaining a degree of interest of a user for chat group messages and an activity degree of the user in the chat group in accordance with a determination that the message receiving mode corresponding to the chat group is a mute-notification receiving mode; determining an importance ranking for the chat group according to the degree of interest and the activity degree; and updating the chat group's position among a plurality of chat groups in accordance with the importance ranking.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD
Benthic track assembly and submarine operation robot
PendingCN119611562AImprove mobile efficiencyFacilitate contact areaEndless track vehiclesUnderwater equipmentDrive wheelElectric machinery
The invention relates to the field of track assemblies and components thereof, and discloses a benthic track assembly and a seabed operation robot, the benthic track assembly comprises a carrying platform and track assemblies symmetrically arranged on the two sides of the carrying platform, each track assembly comprises a rack, a driving wheel, an inducer, a first driven wheel and a track body, and rotation of the driving wheel is controlled by a driving motor; an overturning driving mechanism capable of driving the inducer to overturn up and down is arranged on the rack, second driven wheels in running fit with the inner ring of the track body are arranged on the two sides of the inducer, the overturning driving mechanism is matched with a visual detection system, and the visual detection system detects whether an obstacle exists or not. A command is sent to a driving motor to drive a turnover driving mechanism to act so as to drive an inducer to turn over, a mechanical claw assembly is arranged on a second driven wheel in a telescopic mode, and when the inducer turns over to the lowest position, the mechanical claw assembly can stretch out to assist the submarine robot to move. And the moving efficiency can be effectively improved.
Owner:ZHEJIANG HANLU SUBSEA SYSTEM ENGINEERING TECHNOLOGY CO LTD
Driving permanent magnet synchronous motor with heat dissipation mechanism
InactiveCN119543533Aavoid cloggingImprove conductivitySynchronous machine detailsCooling/ventillation arrangementPermanent magnet synchronous motorCooling effect
The invention discloses a driving permanent magnet synchronous motor with a heat dissipation mechanism, and relates to the technical field of 999. The outer side face of the rear end cover is fixedly connected with the inner side face of a base, a copper bar is embedded in the side, away from a shell, of the rear end cover, the inner side face of the rear end cover is fixedly connected with the surface of the copper bar, the side, away from the rear end cover, of the copper bar makes contact with the base, and the base is grounded; the air cooling assembly is fixedly connected with the end, close to the rear end cover, of the rotating shaft, the natural cooling assembly surrounds the outer portion of the shell, the inner side face of the natural cooling assembly is fixedly connected with the outer side face of the shell, the natural cooling assembly can increase the contact area with the outside, and the heat dissipation effect is enhanced. The rear end cover sucks air in the gap of the natural cooling assembly into the rear end cover to form flowing airflow, so that a better cooling effect is achieved, and the cooling effect of the air cooling assembly is radiated to the outside of the shell.
Owner:YANGZHOU HUASHENG ELECTROMECHANICAL TECH CO LTD
Multi-layer circuit board preparation method and system based on via hole filling optimization and multi-layer circuit board
InactiveCN119545674Alow viscosityreduce flowComputer designed circuitsElectrical connection printed elementsCapillary pressureUltrasonic vibration
The invention discloses a multilayer circuit board preparation method and system based on via hole filling optimization and a multilayer circuit board, and relates to the technical field of circuit board preparation, and the method comprises the steps: obtaining the size of a via hole, calculating the depth-to-width ratio, constructing a viscosity gradient function, taking a via hole filling quality evaluation index as a first optimization target, and solving an optimal ratio; designing a vacuum degree control strategy; the current capillary pressure is obtained, differential pressure driving force is calculated according to the current through hole gas pressure intensity, the time needed for filling and the preset ultrasonic vibration duration are calculated in combination with the through hole diameter, the hole depth and the viscosity gradient function, and ultrasonic auxiliary filling is carried out while through hole filling is carried out; filling the via hole, and controlling the vacuum degree according to the vacuum degree adjusting curve; and the real-time filling rate and the cavity volume are obtained, a second target function is constructed with the difference between the minimum target filling rate and the actual filling rate and the filling cost as a second optimization target, and the optimal filling step number and the optimal single injection material volume are solved.
Owner:ZHEJIANG ZHENYOU ELECTRONICS CO LTD
Automatic conveying device for electroplating cleaning of circuit board
ActiveCN119460580ARealize automatic deliveryImprove cleaning efficiencyCleaning using liquidsConductive pattern polishing/cleaningBelt conveyorLeather belt
The invention discloses an automatic conveying device for circuit board electroplating cleaning, and relates to the field of circuit board cleaning and conveying, the automatic conveying device comprises a rotary conveying disc, the top of the rotary conveying disc is uniformly provided with a plurality of conveying sliding seats in the circumferential direction of the rotary conveying disc, and the conveying sliding seats are provided with circuit board tool mechanisms; a feeding mechanism, a cleaning mechanism, a rinsing mechanism and a discharging mechanism are sequentially arranged along the conveying track path of the rotary conveying disc, the feeding mechanism comprises a feeding box and a jacking plate, the top of the feeding box is open, a jacking groove is formed in the inner bottom wall of the feeding box, the jacking plate is matched with the jacking groove in a sliding mode, and the jacking plate moves in the height direction of the feeding box. The cleaning mechanism comprises a cleaning pool, the rinsing mechanism comprises a rinsing pool, the discharging mechanism comprises a bottom plate and belt conveyors, the two sets of belt conveyors are oppositely arranged on the top face of the bottom plate, the cleaning pool, the rinsing pool and the bottom plate all have the freedom degree of moving in the vertical direction, automatic conveying is achieved, the cleaning efficiency is improved, and the cost is reduced.
Owner:四川并济科技有限公司
Novel network cabinet for data center
ActiveCN222638864Uavoid deformationneat appearanceCasings/cabinets/drawers detailsSupport structure mountingData centerStructural engineering
The utility model belongs to the technical field of network cabinets, and discloses a novel network cabinet for a data center, which comprises a top plate, a bottom plate, and two front upright posts and two rear upright posts which are fixedly connected between the top plate and the bottom plate and are symmetrical to each other, side crosspieces are horizontally and fixedly connected between the middles of the front stand columns and the rear stand columns located on the same side, U-shaped stand columns are vertically and fixedly connected to the inner sides of the rear ends of the front stand columns and the rear stand columns, middle stand columns are vertically and fixedly connected to the middles of the side crosspieces, and the upper ends and the lower ends of the front stand columns, the rear stand columns, the U-shaped stand columns and the middle stand columns are fixedly connected with inner cross beams. According to the invention, a traditional frame welding mode is optimized into a nested welding mode, so that the cabinet is integrally formed, is more stable, is not liable to deform, and is neat and beautiful in appearance.
Owner:ZHONGLE COMM TECH CO LTD +1
Kitchen knife auxiliary handle and kitchen knife device
ActiveCN222570839UImprove comfortreduce pressureMetal working apparatusMetal-working hand toolsFood materialMechanical engineering
The utility model provides a kitchen knife auxiliary handle and a kitchen knife device. The kitchen knife auxiliary handle comprises a main body part, two clamping parts and two magnetic attraction pieces. The main body part is provided with a containing groove at least used for containing a kitchen knife, the containing groove extends in the length direction of the main body part, and the two clamping parts are connected to the main body part and located on the two sides of the containing groove in the width direction of the main body part; at least one clamping part is detachably connected with the main body part, an inclined plane used for making contact with food materials is formed on the side, back on to the main body part, of the clamping part, and the inclined plane inclines towards the main body part in the opposite direction of the two clamping parts; the two magnetic attraction pieces are arranged on the two clamping parts correspondingly and used for being connected with the kitchen knife between the two clamping parts in a magnetic attraction mode. After the kitchen knife auxiliary handle is arranged on the kitchen knife, the pressure intensity of the position where fingers of a user make contact with the kitchen knife can be reduced, meanwhile, cut food materials fly out in the direction away from the kitchen knife under the action of the inclined face, and the experience that the user uses the kitchen knife to cut vegetables is improved.
Owner:郑晓峰
Nanometer iron-carbon filter bed device
The utility model provides a nano iron-carbon filter bed device and belongs to the technical field of filter devices. The nanometer iron-carbon filter bed device comprises a sealing box, a carbon filter cylinder is rotationally connected into the sealing box, a driving motor is installed on the outer wall of the sealing box, the output end of the driving motor is in transmission connection with one end of the carbon filter cylinder, and a negative pressure mechanism is arranged at the top end of the sealing box. The negative pressure mechanism comprises a negative pressure pump, a base and a vacuum pipe, the base is installed at the bottom end of the negative pressure pump, a bolt is connected to the side of the base in a penetrating mode, one end of the bolt is in threaded connection with the top end of the sealing box, and the output end of the negative pressure pump communicates with one end of the vacuum pipe; one end of the vacuum tube extends into the sealing box, the carbon filter cartridge comprises a first ring, a second ring, a plurality of support plates, a carbon filter screen, a fixing plate and a shaft pile, and the adjacent sides of the first ring and the second ring are respectively connected with the plurality of support plates.
Owner:HUNAN RUNZHI ENVIRONMENTAL PROTECTION TECH CO LTD
Pesticide extraction device for pesticide production
ActiveCN222641283UGuaranteed Extraction Effectincrease speedRotary stirring mixersTransportation and packagingHerb medicineAgricultural science
The utility model discloses a pesticide extraction device for pesticide production, which comprises an extraction shell unit, a pesticide extraction unit and a pesticide extraction unit, the extraction shell unit comprises a tank body and a tank cover matched with the tank body, the lower side of the tank body is fixedly communicated with discharging pipes which are symmetrical in position, and stop valves are fixedly arranged at the communicated positions of the discharging pipes and the tank body; the pesticide extraction unit comprises a driving motor fixedly installed in the center of the upper side wall of the tank cover and a rotating rod fixedly connected with an output shaft of the driving motor, the rotating rod downwards penetrates through the tank cover and is fixedly connected with multiple sets of crushing and stirring blades which are evenly distributed, and a centrifugal cover is inserted into the lower portion of an inner cavity of the tank body; a gap is reserved between the lower end of the centrifugal cover and the inner wall of the lower side of the tank body, the centrifugal cover is arranged on the outer sides of the multiple sets of crushing and stirring blades, and multiple sets of evenly-distributed centrifugal holes are formed in the side wall of the centrifugal cover in a penetrating mode. According to the extraction device, the participation amount of herbal medicine residues doped in a prepared extracting solution is greatly reduced, and the pesticide extraction effect of the extraction device is guaranteed.
Owner:SUFARM BIOCHEMICAL
Nanometer injection integrated skid-mounted equipment
The invention relates to nanometer injection integrated skid-mounted equipment which is characterized in that a central rotating pipe (21) drives a lateral suction pipe (26), a support frame (27) and a soft film cover (28) to rotate, the upper side or the lower side of the soft film cover (28) is jacked up by a reversing rod (29) to be bent, and an inner pipe (22) is driven to slide up and down in a reciprocating manner along the central rotating pipe (21), so that nanometer oil displacement agents with different depths are stirred and prevented from generating precipitates; the stirring range and the stirring effect are improved, and the working efficiency is improved; high-pressure water flow enters the center rotating pipe (21), when the high-pressure water flow flows to the throat pipe section (24) from the necking section (23) of the inner pipe (22), the flow speed of the high-pressure water flow is increased, and the pressure intensity of the high-pressure water flow is reduced, so that the nanometer oil displacement agent in the tank body (11) is sucked and mixed through the lateral suction pipe (26) and is further mixed under the action of the soft film cover (28), and finally mixed liquid of the nanometer oil displacement agent and water in a certain proportion is obtained.
Owner:HENAN SENLE INTELLIGENT EQUIP TECH CO LTD
Outdoor dehumidification and ventilation type motor cabinet for electric power engineering
InactiveCN119419604Aincrease flow rateprevent backflowSubstation/switching arrangement cooling/ventilationSubstation/switching arrangement casingsElectric machineryPower engineering
The invention discloses an outdoor dehumidification and ventilation type motor cabinet for electric power engineering, and relates to the technical field of electric power engineering, the outdoor dehumidification and ventilation type motor cabinet comprises a cabinet body, an air blower is fixedly mounted at the bottom of the side surface of the cabinet body, a rain cover is fixedly mounted at the top of the cabinet body, a check valve is arranged at the side surface of the cabinet body, and the check valve and the air blower are oppositely arranged; air inlet dehumidification mechanisms are fixedly installed on the two sides of the rain cover, a ventilation dehumidification mechanism is fixedly installed in the cabinet body and arranged between an air blower and a check valve, and a water receiving assembly is fixedly installed at the bottom of an inner cavity of the cabinet body and arranged under the ventilation dehumidification mechanism. The drainage end of the water receiving assembly penetrates through the cabinet body and extends to the outer side of the cabinet body, and the ventilation dehumidification mechanism and the air inlet dehumidification mechanism are arranged in a matched mode, so that the cabinet body is rapidly and effectively ventilated, air introduced into the cabinet body is dehumidified, and the environment in the motor cabinet is kept dry.
Owner:HANGZHOU YINGERKE INTELLIGENT TECHNOLOGY CO LTD
Braking abrasion particulate matter discharging and collecting device
InactiveCN119618736Aavoid gatheringreduce pressureVehicle testingWithdrawing sample devicesParticulatesMechanical engineering
The invention relates to the technical field of motor vehicle non-tail gas particulate matter emission testing, and discloses a brake abrasion particulate matter emission collecting device which is provided with an absorption cover, a brake assembly, a collecting pipe and a draught fan, the brake assembly is connected to a hub, the absorption cover covers the brake assembly, the collecting pipe is connected to one side of the wheel center of the hub, and the draught fan is arranged on the collecting pipe. The draught fan and the collecting pipe are oppositely arranged and connected to the other side of the wheel center, the absorption cover is provided with a first space, and at least part of the braking assembly is contained in the first space. When an automobile is braked, the brake disc rotates anticlockwise, the brake calipers abut against the brake disc, the brake pad and the brake disc rub to generate abrasion particles, and due to inertia, the particles continue to do circumferential motion along the brake pad and finally escape from the tail end of the brake pad to enter the first space. The draught fan and the brake calipers receive signals synchronously, air is started, air flow blowing the outer side of the wheel center is generated, particulate matter in the absorption cover can be gathered in the collecting pipe, gathering of the particulate matter in the absorption cover is avoided, and the collecting efficiency is improved.
Owner:CATARC AUTOMOTIVE TEST CENT TIANJIN CO LTD
Mushroom planting machine
ActiveCN222382309Upromote growthImprove interactive experienceClimate change adaptationCultivating equipmentsHome environmentHeat sink
The utility model provides a mushroom planter, which relates to the technical field of mushroom cultivation and comprises a functional chamber and a cultivation chamber, the functional chamber and the cultivation chamber are separated by a top plate, and a planting area is arranged on the top plate. The function chamber is provided with a first air channel and a heat dissipation cavity, the first air channel is fixedly arranged at the upper end of the heat dissipation cavity and attached to the top plate to form the first air channel, and a first fan is arranged at a first air inlet of the first air channel towards the first air channel. A semiconductor refrigeration module is arranged in the heat dissipation cavity, and a cold end cooling fin of the semiconductor refrigeration module extends into the first air channel. Internal circulation of airflow is realized through the first air duct, uniform distribution of air in the cultivation chamber is kept, local overheating and moisture accumulation are prevented, mould breeding is reduced, low-temperature air generated by the semiconductor refrigeration module enters the internal circulation along with the first air duct, the structure is compact, the space utilization rate is improved, and meanwhile, the equipment is simple in overall structure, reasonable in layout and convenient to popularize. The device is suitable for home environments.
Owner:HUAQIAO UNIVERSITY
Deformable combined type mobile robot
ActiveCN119568300AImprove stabilityImprove adaptabilityEndless track vehiclesWheelsCircular discGear wheel
The deformable combined type mobile robot comprises a deformable hub and an outer crawler belt, the deformable hub comprises an outer gear, a supporting hub, a transmission sleeve, a power main shaft, a similar triangular plate, a front clutch mechanism, a rear clutch mechanism, a forward and reverse rotation mechanism, a bottom disc and a guide rail disc, and the similar triangular plate is connected to the power main shaft; the transmission sleeve is sleeved outside the power main shaft and fixed at the bottom end of the similar triangular plate, the three outer gears and the three supporting hubs are evenly distributed at intervals, connected to the transmission sleeve through the connecting rod mechanism and limited on the guide rail disc, and wheel shafts of the three outer gears are respectively clamped in three sliding grooves of the similar triangular plate through pins and can slide in the sliding grooves. The forward and reverse rotation mechanism is arranged between the bottom disc and the guide rail disc, the front clutch mechanism enables transmission between the power main shaft and the triangular-like plate to be disconnected or connected, the rear clutch mechanism enables transmission between the power main shaft and the forward and reverse rotation mechanism to be disconnected or connected, and the outer crawler belt is meshed with the outer gear. The adaptability to the ground is improved through deformation of the deformation hub.
Owner:ZHONGBEI UNIV
Biaxial stretching equipment for polypropylene film processing
The invention discloses two-way stretching equipment for polypropylene film processing, and belongs to the field of polypropylene film processing.The two-way stretching equipment comprises an operation box and a workbench slidably connected to the interior of the operation box, a locking component is arranged on the outer side of the workbench, and the locking component comprises two first connecting plates arranged on the outer side of a lead screw nut in a sleeving mode; the two first connecting plates are slidably connected to the outer sides of the two guide rods correspondingly, pre-laying supports are hinged to the upper sides of the two first connecting plates correspondingly, the edge of a thin film can be bent by 90 degrees after the rotating base rotates, and finally the thin film is locked; the edge of the thin film is bent by 90 degrees above the positioning seat through rotation of the rotating seat before the thin film is stretched, and the thin film is locked through the rotating seat and the positioning seat, so that the pressure intensity and the pulling force borne by the clamped position of the thin film in the stretching process are reduced, and the clamping position of the thin film is prevented from being damaged.
Owner:罗文静
Clamping mechanism, instrument arm and surgical robot
ActiveCN222367783UGuaranteed service lifeImprove stabilityGripping headsSurgical robotsPhysical medicine and rehabilitationPhysical therapy
Owner:INNOLCON MEDICAL TECHNOLOGY (SUZHOU) CO LTD
Solid waste leachate low-temperature crystallization device
ActiveCN222631112Ureduce pressureReduce energy consumptionSolution crystallizationWater/sewage treatment by heatingVacuum pumpLeachate
The utility model relates to the technical field of crystallization equipment, and discloses a solid waste leachate low-temperature crystallization device, which comprises a crystallization chamber, a condensation heat exchange chamber, a compressor, a vacuum pump and a circulating pipe, the top of the crystallization chamber is communicated with the bottom of the condensation heat exchange chamber, the condensation heat exchange chamber is communicated with the vacuum pump, and the vacuum pump is used for keeping vacuum states in the crystallization chamber and the condensation heat exchange chamber. A heat exchanger is arranged at the top in the condensation heat exchange chamber, a condensation water tank is arranged at the bottom in the condensation heat exchange chamber, and an outlet of the heat exchanger is sequentially communicated with the compressor, the crystallization chamber and an inlet of the heat exchanger through circulating pipes. The utility model has the advantages of low energy consumption, stable and safe operation, and good market prospect.
Owner:ZHENJIANG XINQU SOLID WASTE DISPOSAL CO LTD
Honing head with quick-change oilstone plate
PendingCN119658575Areduce loadimprove securityHoning toolsHoning machinesStructural engineeringMechanical engineering
The invention discloses a quick-change oilstone plate type honing head. The honing head with the oilstone plates capable of being replaced quickly comprises a shell, a conical core is installed in the shell, a plurality of oilstone plates are installed on the shell, springs are installed on the oilstone plates in a sleeving mode, and expansion pins are installed between the oilstone plates and the conical core. The oilstone plate comprises an oilstone base plate, an oilstone bottom plate and an oilstone body, and the oilstone bottom plate is fixedly connected with the oilstone body. According to the honing head with the oilstone plate capable of being replaced quickly, the oilstone plate comprising the oilstone base plate, the oilstone bottom plate and the oilstone body is arranged, the oilstone plate is changed from an original integrated structural design into a split structural design of the oilstone base plate, the oilstone bottom plate and the oilstone body, the cost of replacing the oilstone plate is further reduced, and the honing head is convenient to use. And a proper mode can be conveniently selected for replacement according to the weight, so that the lifting appliance is more convenient and flexible, the load of the lifting appliance can be reduced, and the lifting safety is improved.
Owner:YINCHUAN WENDA NEW MASCH MFG CO LTD
Infusion exhaust device
ActiveCN222517440Ureduce pressureavoid it happening againInfusion devicesInfusion setIntravenous Infusions
The infusion exhaust device comprises a drip chamber, one end of the drip chamber is communicated with a lower infusion pipeline, the other end of the drip chamber is provided with a drip chamber cover in a sealed mode, the drip chamber cover is communicated with an upper infusion pipeline and a one-way exhaust assembly, and an air suction bag is detachably arranged at the tail end of the one-way exhaust assembly. Compared with an infusion apparatus in the prior art, the air suction bag in the infusion exhaust device can suck air in the drip chamber through the one-way exhaust assembly, the pressure intensity in the drip chamber is reduced, the air dissolution rate of liquid medicine in the drip chamber is reduced, gas-liquid mixtures are avoided, and bubbles are avoided; the needle head of the intravenous infusion needle is prevented from being excessively exposed in the air, and liquid medicine is not wasted. The problems that an infusion apparatus is prone to being polluted and liquid medicine is prone to being wasted during exhausting are solved.
Owner:THE THIRD PEOPLES HOSPITAL OF CHENGDU
Insertion piece type car wall structure
ActiveCN222389344UImprove installation stabilityincrease contact areaBuilding liftsStructural engineeringMechanical engineering
Owner:ESAB ELEVATOR CO LTD
Gas sampling and analyzing device
PendingCN119574235Areduce pressureincrease in sizeSamplingComponent separationExhaust valveGas cylinder
The invention belongs to the technical field of gas sampling detection, and discloses a gas sampling analysis device, which comprises a gas storage bottle and a recovery assembly, the recovery assembly comprises a piston, and the piston is slidably arranged in the gas storage bottle; the first chamber is defined by the piston and the gas storage cylinder; the second chamber is defined by the piston and the gas storage cylinder, and the pressure intensity of the second chamber is larger than that of the first chamber; the pressure relief unit is used for relieving pressure of the second cavity; the pressure relief unit comprises an exhaust hole and an exhaust valve, the exhaust hole is formed in the bottle body of the gas storage bottle, the exhaust hole is communicated with the second cavity, and the exhaust valve is communicated with the exhaust hole; according to the scheme, the piston is arranged in the gas storage bottle, and the pressure relief unit is used for relieving the pressure of the second cavity, so that residual sample gas in a pipeline can be sucked into the gas storage bottle through negative pressure difference after the compressor is closed; the problem that sample gas remains in a pipeline of an existing sampling device is solved.
Owner:CHONGQING SHENKAI GAS TECH CO LTD
A positive pressure biomass gasification furnace and coal-fired boiler coupling power generation method
The present application discloses a positive pressure biomass gasification furnace and a coal-fired boiler coupling power generation method, which relates to the field of biomass energy processing. The method comprises: obtaining first furnace environment information in the positive pressure biomass gasification furnace, the first furnace environment information comprising first pressure information, first temperature information and first gas composition information; obtaining second furnace environment information in the coal-fired boiler, the second furnace environment information comprising second pressure information, second temperature information and second gas composition information; adjusting the flow of a gas delivery pipeline according to the first furnace gas environment information and the second furnace gas environment information, the gas delivery pipeline being a gas delivery pipeline connecting the positive pressure biomass gasification furnace and the coal-fired boiler, and a gas temporary storage tank being further arranged in the gas delivery pipeline; after the flow of the flow delivery pipeline is adjusted for a preset time, adjusting the first temperature information and the second temperature information according to the first furnace gas environment information and the second furnace gas environment information.
Owner:HANGZHOU OBOMAN ENVIRONMENTAL PROTECTION TECH CO LTD
Stool with moving function
ActiveCN224155393Ureduce pressureImprove carrying capacityCarpet cleanersFloor cleanersOn boardStructural engineering
The utility model discloses a bench with a moving function, which comprises a bench body and a moving component, four corners of the bottom of the bench body are fixedly connected with mounting racks for connection, two side wall surfaces of each mounting rack are provided with supporting components for supporting the bench body, and the moving component is mounted at the bottom of each mounting rack; the moving assembly comprises wheels, a shell and a steering rod. A connecting assembly used for limiting the steering rod is installed in the installation frame and comprises an installation plate installed in the installation frame through bolts and an installation base fixedly connected to the bottom of the installation plate. A rotating assembly used for assisting the steering rod in rotating is mounted in the middle of the inner wall of the mounting base. By arranging the adjusting assembly and the supporting assembly, the supporting area can be enlarged according to the weight of a user, the pressure intensity when the stool body is subjected to pressure is reduced, the load on the stool body is dispersed, and the bearing capacity of the stool body is improved.
Owner:YONGKANG SHI YONGTAI IND & TRADE CORP LTD
Photovoltaic foundation suitable for silt foundation
InactiveCN119448888Areduce pressureprevent subsidencePhotovoltaic supportsSolar heating energyCross connectionArchitectural engineering
The invention discloses a photovoltaic foundation suitable for a silt foundation, belongs to the technical field of photovoltaic installation, and can solve the problem that an existing photovoltaic foundation is not suitable for the silt foundation. The foundation comprises a ground beam structure which is arranged on a foundation and comprises a plurality of cross beams and a plurality of longitudinal beams which are connected in a crossed mode; the lower surfaces of the cross beams and the longitudinal beams are positioned on the same plane; the plurality of stand columns are respectively arranged at a plurality of intersections of the plurality of cross beams and the plurality of longitudinal beams, and the bottom ends of the stand columns penetrate through the corresponding cross beams and the corresponding longitudinal beams and are inserted into the foundation; and the bracket is connected to the top ends of the plurality of upright posts and is used for supporting the photovoltaic module. The method is used for installing the photovoltaic module on the silt foundation.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED
A wind passing net for airflow passive cooling
ActiveCN117231600Bspeed up the flowincrease contactDiaphragm valvesOperating means/releasing devices for valvesWorking fluidElectric machinery
This invention relates to the field of heat dissipation airflow mesh technology, and provides an airflow mesh for passive airflow cooling, including a pipe assembly, a clamping assembly, and an adjusting assembly. The pipe assembly includes a main pipe, a secondary pipe, an adjusting pipe, a vertical plate, and a horizontal plate. The clamping assembly, sleeved on the outer wall of the adjusting pipe, includes a fixed plate, a movable part, a rotating plate, and a support block. The adjusting assembly is located at one end of the main pipe and inside the main and secondary pipes, and includes a motor, a rotating shaft located at the output end of the motor, a drive bevel gear sleeved on the end of the rotating shaft away from the motor, a rotating part located on the end of the drive bevel gear away from the rotating shaft, and a spiral part sleeved on the rotating part. The function of the pipe assembly is to connect traditional heat dissipation pipes in sections, and through the combined effect of the septum effect and Bernoulli's principle, to compress the gaseous working fluid and release heat, which is conducted away through the metal thermally conductive material, thereby reducing the temperature of the airflow after it passes through by approximately 50 watts / m² / m / s.
Owner:INST OF WENZHOU ZHEJIANG UNIV
Vehicle and rotor blade
PendingEP4361433A4effective rotationgenerate drag for rotatingWind motor combinationsMachines/engines
Provided is a vehicle, in which, in a front-side cover 102 that forms an outer surface which is more forward than a windshield of the vehicle, formed are: a front opening 107 facing an outer space in front; and an upper opening 108 positioned behind and above the front opening 107 and facing an outer space above. The inside of the front-side cover 102 is provided with an inner cover 112 forming a passage 113 for guiding wind that enters from the front opening 107 to the upper opening 108. A rotor blade 9 for wind power generation is disposed within the inner cover 112. A front end 108a of the upper opening 108 is positioned further upward than a rear end 108b thereof. The area of an outlet 113b of the passage 113 is greater than the area of an inlet 113a thereof. The inner cover 112 has an arcuate portion 114c that hides a region above the rotational axis of the rotor blade 9 when seen from the front opening 107. The center angle of the arcuate portion 114c is set to a range of 90-180 degrees. As a result, a rotor blade for wind power generation installed in a vehicle can be efficiently rotated.
Owner:ECO TECH CO LTD
Energy-gathering plate pot rack and gas stove
ActiveCN222578308UImprove insulation effectavoid deformationDomestic stoves or rangesLighting and heating apparatusThermal insulationMechanical engineering
The utility model relates to the technical field of kitchen appliances, in particular to an energy-gathered plate pot rack and a gas stove, the energy-gathered plate pot rack comprises an annular base, an annular top seat and an annular partition plate, the annular top seat is fixedly connected to the annular base, and an annular thermal insulation cavity is defined by the annular top seat and the annular base; the annular partition plate is arranged in the annular thermal insulation cavity, the annular partition plate and the annular top seat define a first thermal insulation cavity, the annular partition plate and the annular base define a second thermal insulation cavity, the annular partition plate comprises at least two arc-shaped partition plates, the at least two arc-shaped partition plates define an annular structure, and a gap exists between every two adjacent arc-shaped partition plates. Due to the fact that the gap is formed between every two adjacent arc-shaped partition plates, gas in the first heat insulation cavity can flow into the second heat insulation cavity, and the situation that the annular top base and / or the annular partition plates are / is deformed due to the fact that pressure in the first heat insulation cavity is too large is prevented.
Owner:HANGZHOU ROBAM APPLIANCES CO LTD
Special-shaped whole bullet lifting appliance and lifting method
ActiveCN119612331Aguaranteed contactreduce pressureLoad-engaging elementsMechanical engineeringIndustrial engineering
Owner:HEBEI HANGUANG HEAVY IND
Wafer chuck
ActiveCN116288223Breduce pressureLittle elasticityFinal product manufactureVacuum evaporation coatingSemiconductor chipMechanical engineering
The present invention provides a wafer clamp, which relates to the technical field of semiconductor chip preparation. The wafer clamp comprises: a clamp seat, the front side of the clamp seat is provided with a fixed clamping claw, and the clamp seat is slidably connected with a movable clamping claw opposite to the fixed clamping claw; the movable clamping claw comprises a base and an arc-shaped spring sheet, and the two ends of the arc-shaped spring sheet are respectively connected to the base; the arc surface of the arc-shaped spring sheet is bent toward the side where the fixed clamping claw is located; the arc-shaped spring sheet comprises an abutting portion located in the middle part, and connecting portions located at the left and right ends, a transition portion is connected between the connecting portion and the abutting portion, and the transition portion has a plurality of through holes penetrating its front and rear surfaces.
Owner:TIANSHUI TIANGUANG SEMICON
A 3D printed bionic anti-dislocation movable artificial cervical vertebra and intervertebral connection complex
ActiveCN111035482BReserved activityReduce difficultySpinal implantsSacroiliac jointReoperative surgery
The present invention discloses a 3D printed bionic anti-dislocation movable artificial cervical vertebra and intervertebral connection complex, including: an upper end plate, a lower end plate, a bionic vertebral body and an anti-dislocation structure, the bionic vertebral body includes a vertebral body body hollowed out in the middle, an upper acetabulum is arranged on the upper part of the vertebral body body, and a lower acetabulum is arranged on the lower part; the upper acetabulum is connected to the upper end plate through an upper end plate joint structure, and the lower part is connected to the lower end plate through a lower joint structure; the present invention has sufficient support structure, and can provide stable support after anterior cervical vertebral resection; the present invention replaces the movement function of the normal cervical vertebra through the movement of its own ball joint, can retain the original range of motion of the cervical vertebra, and prevent the occurrence of adjacent segment diseases of the cervical vertebra caused by fusion surgery, and the present invention has a matching anti-dislocation structure, which is placed in the occurrence of dislocation during joint activity. The implantation operation of the present invention is less difficult, less traumatic, and easy to promote.
Owner:XIAN JINGJIAN MEDICAL TECHNOLOGY CO LTD