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47results about How to "Improve self-sustainability" patented technology
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Micro-grid system for ships
InactiveCN102904281AImprove self-sustainabilityConducive to simplificationFlexible AC transmissionSingle network parallel feeding arrangementsTransformerNew energy
The invention relates to a micro-grid system, and in particular relates to a micro-grid system for ships. The micro-grid system for the ships comprises a solar photovoltaic power generation system, a wind power generation system, a storage battery energy storage system, an emergency diesel generator, a load, a direct current bus and an alternative current bus, wherein the direct current bus and the alternative current bus are connected together through a bidirectional converter; the direct current bus is connected with the solar photovoltaic power generation system and the storage battery energy storage system; the alternative current bus is respectively connected with the wind power generation system, the emergency diesel generator and the load; and the system is connected with a medium voltage main power grid in the ship through an interconnection switch and a transformer at side where the alternative current bus is positioned. The defect that the new energy distributed type power generation cannot be directly used in a ship power system is overcome, a new offshore energy resource is sufficiently utilized, and the energy conservation and the emission reduction in the field of ocean transportation are realized.
Owner:TONGJI UNIV
Method for restoring slash type degraded wetland
InactiveCN101962947AImprove the terrainImprove stabilityClimate change adaptationHydraulic engineering apparatusRecovery methodRevegetation
The invention provides a method for restoring a slash type degraded wetland. The degraded wetland is restored by adopting one or more of a hydrological connection method, a microrelief transformation method, a matrix recovery method, a vegetation recovery method and a riparian zone slope protection method. According to the specific circumstance of the degraded wetland, the method can comprehensively utilize the whole technical system, and also can separately utilize certain technology. The method improves the landform, a water system, a wetland matrix and the riparian zone environment of the degraded wetland through ecological engineering measures so as to reasonably arrange wetland vegetation from land to open water, construct an optimal wetland vegetation community structure, and effectively improve the stability and the self-maintenance of the degraded wetland.
Owner:INST OF FORESTRY CHINESE ACAD OF FORESTRY
Hybrid power underwater glider using battery electric energy and ocean temperature difference energy
ActiveCN111634396AImprove energy self-sufficiencyImprove battery lifePower plants using propulsion unit combinationsPropulsive elementsElectrical batteryMarine engineering
The invention discloses a hybrid power underwater glider using battery electric energy and ocean temperature difference energy. The hybrid power underwater glider comprises a front immersion cabin section, a front pressure-resistant cabin section, a middle pressure-resistant cabin section, a rear pressure-resistant cabin section, a rear immersion cabin section, heat exchangers and horizontal wings, wherein the cabin sections are fixedly connected in sequence along a cylindrical rotation axis to form a hybrid power underwater glider body part, the heat exchangers are externally hung on a bellypart of the body, the horizontal wings are horizontally arranged on two sides of the rear pressure-resistant cabin section, the hybrid power underwater glider battery pack has two degrees of freedom of translation and rotation, and can be used for adjusting a pitching attitude angle and a course angle of the underwater glider; a hydraulic device in the main machine body and the heat exchangers form a hydraulic oil path, and in the diving preparation stage of the hybrid power underwater glider, an oil return path works, in the diving gliding stage, a solidification oil path works, in the floating conversion stage, the energy release oil way and the oil pumping oil way work, and in the floating gliding stage, the energy storage oil way works, and the buoyancy driving process is completed bycompounding two forms of energy, namely battery electric energy and ocean temperature difference energy.
Owner:TIANJIN UNIV
Method and tool for clinching thick sheet metal, and use of the tool
InactiveCN101610859AGood support characteristicsLess splicing costsMetal working apparatusMetal-working hand toolsRotational axisTransitional Region
The invention relates to a clinching tool (20) for establishing a load-bearing, or supporting, or stable connection of a first metal workpiece (11) to a second metal workpiece (12). The clinching tool (20) comprises a male die (20) and a female die (30), which together form and join a clinching connection (13) connecting, or permanently connecting, the first metal workpiece (11) to the second metal workpiece (12), via local, plastic deformation or reshaping. The male die (20) has a die having a flank (25) disposed concentrically to the rotational axis (24). The flank (25) has a face surface (23) that is positioned perpendicular to the rotational axis (24). The flank (25) is conically shaped at least in the lower transitional region (21) to the face surface (23) and has a flank angle (W, W1, W2) that is smaller than, or equal to, 10 degrees, preferably smaller than, or equal to, 5 degrees.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
Method for clinching thick metal workpieces, use of a clinching tool, and steel structural element produced accordingly
InactiveCN101610860AGood support characteristicsImprove self-sustainabilitySheet joiningEscalatorsRotational axisTransitional Region
The invention relates to a method for the production of a load-bearing structural steel connection, wherein a clinching connection (13) is formed by means of a male die (20) and a female die (30) using local deformation, the connection connecting a first metal workpiece (6.1, 6.2) to a second metal workpiece (6.3, 6.4). For this purpose, the first metal workpiece (6.1, 6.2) and the second metal workpiece (6.3, 6.4) are first placed on top of each other on a processing surface of the female die and aligned. Subsequently the die of the male die is applied and lowered into the two metal workpieces (6.1, 6.2; 6.3, 6.4) placed on top of each other until the clinching connection (13) has been formed by plastic deformation. The first metal workpiece (6.1, 6.2) has a first workpiece thickness (tl), and the second metal workpiece (6.3, 6.4) has a second workpiece thickness (t2) that together result in a total workpiece thickness (tt), which is greater than 8 mm. The die is configured in a rotationally symmetrical manner with regard to the rotational axis (24) thereof and has a conically shaped transitional region (21, 22) tapering at an angle (W, W1, W2) in the lowering direction of the die.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
Scheme for long-time hovering of tethered airship
PendingCN107054610AImprove self-sustainabilityHigh overpressure performanceRigid airshipsAutomotive engineeringEffective energy
The present invention provides a long-duration airborne moored airship scheme. The airship carries a solar cell array and an energy storage battery, and through effective energy management, it can provide a steady stream of energy for the carried load and improve the self-sustaining force of the moored airship. , to provide the necessary technical guarantee for the long-term airborne work of the tethered airship, and its airtime can be as long as several months. By integrating the various systems of the tethered airship into a shelter that meets the requirements of road and air transportation, the rapid transfer and deployment of the tethered airship can be realized.
Owner:北京天宇新超航空科技有限公司
Bacteria filter for urban rainwater collecting
InactiveCN103011513ASolve environmental problemsEnvironmentally friendlyMultistage water/sewage treatmentWater sourceFilter media
The invention discloses a bacteria filter for urban rainwater collecting. A filtering medium layer is mounted in a bacteria filter body; a transition medium layer supporting the filtering medium layer is arranged under the filtering medium layer; a compost covering layer covers the upper surface of the filtering medium layer; plants are grown on the compost covering layer; a water drain pipe for draining treated rainwater is arranged at the lower part of the bacteria filter body; an overflow pipe enabling untreated rainwater to overflow is arranged at the upper part of the bacteria filter body; and a rainwater retention zone is arranged above the transition medium layer in the bacteria filter body. The bacteria filter is reasonable in structure, can treat and collect rainwater, provides a large amount of high-purity water sources to be selectively used in cities, and meanwhile, solves the urban environment problem caused by storms. Viewed from the ecology, the bacteria filter for urban rainwater collecting can serve as or replace existing urban greening well, and has the characteristics of environment friendliness and strong compatibility.
Owner:冯文俊 +2
Silicone rubber composite material capable of undergoing ceramization and preparation method thereof
The invention relates to a silicone rubber composite material capable of undergoing ceramization and a preparation method thereof. The material comprises the following components in parts by weight: 25-35 parts of silicone rubber, 15-20 parts of aluminium hydroxide, 20-25 parts of ammonium polyphosphate, 25-30 parts of clay minerals with layered structures and 0.3-0.6 part of vulcanizing agent. The preparation method of the material comprises the following steps: mixing the materials in an open mill or an internal mixer uniformly, carrying out primary vulcanization moulding in a compression moulding press and carrying out secondary vulcanization in a forced air drying oven. The silicone rubber composite material capable of undergoing ceramization has the main characteristics that the product formed in a wide temperature range of 200-1000 DEG C has self-supporting property and can be used in the field of flame retardance and fireproofing. The silicone rubber composite material capable of undergoing ceramization is simple to prepare and easy to machine-moulded, can adopt existing rubber product machining and preparation equipment, is convenient to produce industrially and has an extensive application prospect.
Owner:WUHAN UNIV OF TECH
Modularized semi-submersible type sea fish breeding platform
PendingCN109819920AEnsure safetyNo failureClimate change adaptationPisciculture and aquariaMarine fishEngineering
The invention relates to a modularized semi-submersible type sea fish breeding platform. The platform comprises a main platform body structure, net wheels, nets, rotary mechanisms and driving mechanisms, the main platform body structure is internally provided with several parallel rotary mechanisms, and the rotary mechanisms comprise the driving mechanisms, the net wheels and rotary shafts; one net is fixed between every two net wheels, the nets are hung at the two side ends of the adjacent net wheels, and the net wheels of modularized rotary units are supported in the center of the main platform body structure through the rotary shafts; the net wheels are connected with the driving mechanisms to form the independent modularized rotary units, connecting pairs between the driving mechanismsand the net wheels adopt a gear-rack mode or an extruding friction mode, and the nets are driven by the net wheels to rotate. The platform has the advantages that net boxes and the nets automaticallyrotate for net drying to effectively avoid that attachments on the nets grow, and it is ensured that sea water inside and outside the net boxes normally flow circularly. The steps of net replacementand net cleaning can be omitted, and the workload and work intensity of fishermen can be effectively reduced.
Owner:天津海太科技有限公司
Shielding structure of shielding electric wire
ActiveCN1577981AImprove adsorption capacityAvoid destructionSoldered/welded conductive connectionsCable junctionsEngineeringElectric wire
In a shielding structure of a shielding electric wire in which the shielding electric wire and a ground wire are interposed between two resin members, and a compressive force is caused to act on the resin members and an ultrasonic wave is simultaneously applied to fuse the resin portions, thereby forming a shielded portion, a protruded portion 20 is provided on one of junction faces of the two resin members and a hole 21 including a protrusion inserting portion 21a for inserting the protruded portion 20 and a resin inflow portion 21b provided in an inner position from the protrusion inserting portion 21a and having a smaller width than a width of the protrusion inserting portion 21a is provided on the other junction face, and step faces at both sides on a boundary between the protrusion inserting portion 21a and the resin inflow portion 21b in the hole 21 are formed to be a pair of inclined faces 21c and 21c.
Owner:YAZAKI CORP
Device and method used for monitoring system operation state
ActiveCN103825752AImprove self-sustainabilityOperation will not affectData switching networksSystems managementMonitoring system
The invention proposes a device and method used for monitoring a system operation state. The device includes a system management and monitoring module, at least one first state acquisition module, a self-sustaining monitoring module and a second state acquisition module, wherein the self-sustaining monitoring module checks the operation state of the system management and monitoring module regularly and replaces the system management and monitoring module and becomes a new system management and monitoring module if abnormity happens to the system management and monitoring module and regenerates a new self-sustaining monitoring module in a method of establishing a new process. The device and method used for monitoring the system operation state are high in self sustaining and easy to expand and manage.
Owner:CHINA UNIONPAY
Cooling system of equipment compartment of deep-sea space station and control method thereof
ActiveCN106545934AImprove self-sustainabilitySufficient energy supplyLighting and heating apparatusSeawater treatmentEngineeringHigh pressure
The invention provides a cooling system of an equipment compartment of a deep-sea space station. The cooling system comprises a seawater power generation system, a seawater cooling system and a seawater processing system. According to the cooling system of the equipment compartment of the deep-sea space station provided by the invention, temperature control of the equipment compartment of the deep-sea space station can be guaranteed, high-pressure seawater outside the station can be used to generate electricity so as to improve electric energy reserve in the station, and seawater which enters the station can be prepared into fresh water so as to replenish limited producing and living use water in the station. Therefore, self-supportability of the deep-sea space station can be improved. Sufficient energy supply of the deep-sea space station is scientifically and reliably guaranteed, the deep-sea space station has a strong life supporting system, and more people can be contained to carry out scientific research of long operation time in deep sea.
Owner:JIANGSU UNIV OF SCI & TECH
Stretchy suspension pendulum device capable of capturing wave energy
ActiveCN103485970AImprove self-sustainabilitySimple structureMachines/enginesEngine componentsEngineeringPendulum
The invention discloses a stretchy suspension pendulum device capable of capturing wave energy. The device is composed of a suspension support, a hydraulic cylinder, a pendulum piece, a pendulum piece sealing part and a support sealing part. The lower end of the suspension support is in a pendulum-piece shape and is hollow, the pendulum piece is arranged inside the suspension support, the pendulum piece is hollow, the hydraulic cylinder is installed in the pendulum piece, a cylinder barrel of the hydraulic cylinder is welded with the suspension support, a cylinder rod of the hydraulic cylinder is hinged to the inner wall of the pendulum piece, and the pendulum piece sealing part and the support sealing part are arranged between the pendulum piece and the suspension support. The hydraulic cylinder can drive the pendulum piece to conduct axial stretchy motion inside the lower end of the suspension support, therefore, the length of the portion, submerged in the water, of a suspension pendulum is adjusted, the matching between the suspension pendulum capturing efficiency and the wave energy is achieved, and self-existence capability of the suspension pendulum type wave energy utilization device under the extremely severe situation such as the windstorm and the typhoon can be improved.
Owner:OCEAN RES CENT OF ZHOUSHAN ZHEJIANG UNIV
Silk fibroin 3D printing bio-ink and application thereof
InactiveCN112972765AGood biocompatibilityImprove mechanical propertiesAdditive manufacturing apparatusProsthesis3d printPolymer science
The invention relates to silk fibroin 3D printing bio-ink and application thereof. The 3D printing bio-ink comprises a silk fibroin-based material, particles and an additive, and the additive is used for crosslinking and curing the silk fibroin 3D printing bio-ink. Based on the pore problem of an existing 3D printing scaffold material, a material is added into the bio-ink, so that the self-sustaining property of a 3D structure in the 3D printing process is improved, meanwhile, the material is removed after printing, holes of 20-500 microns are formed in the 3D printing structure, the diameter of 50% or more of the holes is larger than or equal to 100 microns, the exchange efficiency of substances in the scaffold is greatly improved, and the cell proliferation efficiency and differentiation capacity are improved. The method created by the invention and the 3D printing bionic structure prepared according to the method have very important significance on research on the action mechanism between materials and cells, tissue regeneration and biomedical materials.
Owner:SUZHOU UNIV
Method for isolating solitary stone group on upper portion of shield tunnel through advance pipe shed
The invention belongs to the technical field of shield tunneling, and in particular relates to a method for isolating boulder groups with an advanced pipe shed above the shield tunnel, which is characterized in that the following steps are followed: (1) The shield tunnel is shut down, and the tunnel is passed through the opening of the cutter head Excavate the advanced pipe shed hole above the contour line; (2) Use quick-setting high-pressure concrete to inject grout into the said advanced pipe shed hole, until the said advanced pipe shed hole is fluidized, stop grouting; (3 ) Repeat steps (1) and (2) until the 30°-90° range on both sides of the tunnel center is completed; (4) Form a concrete pipe shed above the tunnel with a range of 60°-180° from the center, and isolate Upper boulder group; (5) Shield excavation to safely pass through the tunnel section of the upper boulder group. Aiming at the boulder group above the shield tunnel, the invention forms a pipe shed through advanced grouting, which solves the problem of subsidence or subsidence of the boulder group in the soil above the shield tunnel, and enables the shield to smoothly pass through the boulder group above the tunnel.
Owner:CHINA RAILWAY LIUYUAN GRP CO LTD
Foliar fertilizer containing fish protein amino acid and preparation method thereof
PendingCN112047779AImprove disinfection effectReduce the growth of bacteriaAnimal corpse fertilisersNitrogenous fertilisersFertilizerFish Proteins
The invention relates to the field of foliar fertilizers, in particular to a foliar fertilizer containing fish protein amino acid and a preparation method of the foliar fertilizer, and the foliar fertilizer is prepared from the following components: oligosaccharide extract, pomace enzymatic hydrolysate, aquatic product processing leftover fermentation liquor, an adsorption carrier, a viable bacteria culture solution, a dispersing agent and water. The foliar fertilizer disclosed by the invention is high in overall stability, strong in soaking effect and capable of promoting plant growth, increasing the substance accumulation speed of plants and enhancing the resistance of the plants.
Owner:NINGBO UNIV
Intelligent energy distribution system of ocean energy driven aircraft
ActiveCN112455238AImprove self-sustainabilityEfficient configurationBatteries circuit arrangementsCharging stationsExternal energyActuator
The invention belongs to the technical field of ocean energy driven vehicles, and particularly relates to an intelligent energy distribution system of an ocean energy driven vehicle. The ocean energydriven aircraft is a new concept long-endurance ocean vehicle which makes full use of solar energy and wind energy, and effective coordination and management of internal and external energy sources are the key to increase the self-sustaining power of the ocean vehicle. The circuit structure of the whole electrical system is controlled through the intelligent energy distributor, an ARM developmentboard in the intelligent energy distributor supplies power to the intelligent energy distributor through a storage battery via a voltage stabilizing module, and the ARM development board sends high and low level signals through GPIO to control a wind power generation actuator, a photovoltaic actuator and a load actuator, and the optimal configuration of energy use is achieved.
Owner:HARBIN ENG UNIV
Variable-pitch suspended blade device for capturing wave energy
InactiveCN103498752AImprove capture efficiencyLow capture efficiencyMachines/enginesSafety/regulatory devicesHydraulic motorCoupling
The invention discloses a variable-pitch suspended blade device for capturing wave energy. The device comprises a suspended support, hydraulic motors, bolts, couplers, blade pieces and a drive hydraulic system. The hydraulic motors are arranged on the suspended support through the bolts and are connected with the blade pieces through the couplers. The drive hydraulic system comprises a hydraulic pump, an overflow valve, a one-way valve, a proportional valve, a filter and an oil tank. The hydraulic motors rotate under the action of the drive hydraulic system so as to adjust the rotating angle of the blade pieces through the couplers, and variable pitch of a suspended blade is achieved. The rotating angle of the blade pieces is reasonably adjusted, so that the matching relation between capturing efficiency of the suspended blade device and the wave energy is achieved, and the self-existent capacity of a suspended blade type wave-energy utilization device under extremely bad conditions like windstorms and typhoons can be improved.
Owner:OCEAN RES CENT OF ZHOUSHAN ZHEJIANG UNIV
Intelligent electric liftable roadblock column
InactiveCN111411597ALifting speed is fastCompact structureSewerage structuresTraffic signalsElectric machineGear wheel
The invention relates to a roadblock column, in particular to an intelligent electric liftable roadblock column. The intelligent electric liftable roadblock column comprises a solar cell panel, an outer stand column cover plate, a threaded rod, an inner stand column and an outer stand column body. The outer stand column cover plate is connected with the bottom of the solar cell panel. The outer stand column body is connected with the outer stand column cover plate. The outer stand column body is arranged on the inner stand column body in a sleeving mode. The threaded rod is also connected withthe outer stand column cover plate. The threaded rod is further in threaded connection with the inner stand column. The inner stand column is installed in a road surface. The intelligent electric liftable roadblock column further comprises a lower thrust bearing, an upper thrust bearing, an upper thrust bearing cover plate, a large gear, a small gear and a driving motor. The driving motor is arranged on the inner stand column and is in linkage with the small gear. The lower thrust bearing is arranged on the inner stand column, the upper thrust bearing is connected with the inner stand columnthrough the upper thrust bearing cover plate, the large gear is located between the lower thrust bearing and the upper thrust bearing, the large gear is meshed with the small gear through an outer gear ring on the edge, and the large gear is in threaded connection with the threaded rod through internal threads.
Owner:JIANGSU UNIV OF TECH
Temperature-controllable fuel boiler
PendingCN108266894AGuaranteed uptimeReduce thermal stressWater heatersTemperature controlWater storage
The invention discloses a temperature-controllable fuel boiler. The temperature-controllable fuel boiler comprises a boiler body and a PLC controller controlling a working state of the boiler body, wherein a hearth for storing a burner and a water storage box for storing water are arranged in the boiler body, and the top of the boiler body is provided with a smoke tube communicated with the hearth; the bottom side wall of the boiler body is provided with a hot water faucet communicated with a hot water outlet of the water storage box by virtue of a hot water outlet pipe; and a water supplementing box is also arranged by the side of the boiler body, a coil pipe for cooling the boiled water delivered by the boiler body is arranged in the water supplementing box, a water inlet of the coil pipe is communicated with a hot water outlet of the water storage box by virtue of a hot water pipeline, the water outlet of the coil pipe is communicated to a warm water faucet on the bottom side wall of the boiler body by virtue of a warm water pipe, and the warm water pipe is provided with a water pump and an electromagnetic valve connected with the output end of the PLC controller. The controllable temperature fuel boiler integrally controls the ignition, burning and monitoring, realizes the accurate temperature control, can improve the heating efficiency and self-sustaining capability, and can reduce the energy consumption.
Owner:SANHE KEDA IND +1
Rock mass tunnel pipe roof structure and construction method thereof
PendingCN111472815AConstruction safetyGood effectUnderground chambersTunnel liningEngineeringStructural engineering
The invention provides a rock mass tunnel pipe roof structure and a construction method thereof. The rock mass tunnel pipe roof structure comprises a rock mass, a plurality of radial small pipes, a plurality of advanced small pipes and a row of pipe roof pipes; a tunnel is excavated in the rock mass and is provided with arch shaped side walls; a steel arch frame is supported in the tunnel; the front end of each of the radial small pipes, the advanced small pipes and the pipe roof pipe is conical; a plurality of grout vent holes are formed in the side wall of each of the radial small pipes, theadvanced small pipes and the pipe roof pipe; the radial small pipes and the advanced small pipes are uniformly distributed on the side walls; the radial small pipes are inserted in the rock mass in the radial direction of the tunnel; the front ends of the advanced small pipes are obliquely inserted in the rock mass; the row of pipe roof pipes is inserted on the side wall at equal intervals; and the front ends of the pipe roof pipes are obliquely inserted in the rock mass, so that the technical problem that the tunnel pipe roof pipe structure is not stable is solved.
Owner:GUANGXI ROAD & BRIDGE ENG GRP CO LTD
Device and method for monitoring system operating status
ActiveCN103825752BImprove self-sustainabilityOperation will not affectData switching networksSystems managementMonitoring system
The invention provides a device and a method for monitoring the running state of the system. The device includes a system management and monitoring module, at least one first state acquisition module, a self-sustained monitoring module and a second state acquisition module, wherein the self-sustained monitoring module regularly checks the operating status of the system management and monitoring module, and if the When the system management and monitoring module is abnormal, it replaces the system management and monitoring module as a new system management and monitoring module, and regenerates a new self-sustaining monitoring module by creating a new process. The device and method for monitoring the operating state of the system disclosed in the invention have high self-sustainability and are easy to expand and manage.
Owner:CHINA UNIONPAY
A composite flexible support integrated construction method for building deep foundation pit engineering
ActiveCN111501779BShorten the construction periodImprove construction efficiencyExcavationsShotcreteSupporting system
The invention discloses a composite flexible support integrated construction method for building deep foundation pit engineering, and belongs to the technical field of foundation pit support. The construction method comprises the following steps: rapidly spray concrete on the repaired slope, and seal the foundation pit slope in time; after the concrete is solidified, drill holes, inject cement slurry into the anchor hole, and insert the anchor rod; The prefabricated steel wire mesh frame is installed on the slope of the foundation pit, and the two adjacent steel wire mesh frames are connected to the end of the anchor rod through the connecting component. The bottom of each steel mesh frame frame is reserved with an insertion end, and the insertion end is inserted in the construction during construction. The bottom of the foundation pit; secondary shotcrete on the installed prefabricated wire mesh frame. In the present invention, the steel wire frame for support, the elastic filler for buffering, the bolt for reinforcement and shotcrete together constitute a composite flexible support system, which greatly changes the support effect, and the prefabricated components make construction convenient , efficient.
Owner:NANCHANG INST OF TECH
Shielding structure of shielding electric wire
ActiveCN1324762CIncreased contact areaImprove adsorption capacitySoldered/welded conductive connectionsCable junctionsElectric wireElectrical and Electronics engineering
In a shielding structure of a shielding electric wire in which the shielding electric wire and a ground wire are interposed between two resin members, and a compressive force is caused to act on the resin members and an ultrasonic wave is simultaneously applied to fuse the resin portions, thereby forming a shielded portion, a protruded portion 20 is provided on one of junction faces of the two resin members and a hole 21 including a protrusion inserting portion 21a for inserting the protruded portion 20 and a resin inflow portion 21b provided in an inner position from the protrusion inserting portion 21a and having a smaller width than a width of the protrusion inserting portion 21a is provided on the other junction face, and step faces at both sides on a boundary between the protrusion inserting portion 21a and the resin inflow portion 21b in the hole 21 are formed to be a pair of inclined faces 21c and 21c.
Owner:YAZAKI CORP
A composite power underwater glider using battery electric energy and ocean temperature difference energy
ActiveCN111634396BImprove energy self-sufficiencyImprove battery lifePower plants using propulsion unit combinationsPropulsive elementsElectrical batteryMarine engineering
The invention discloses a composite power underwater glider using battery electric energy and ocean temperature difference energy. The main part of the composite power underwater glider is composed of the main body of the composite power underwater glider, and the cabin section is fixed in sequence along the axis of rotation of the cylinder. The heat exchanger is hung on the belly of the main body, and the horizontal wings are arranged horizontally on both sides of the rear pressure cabin. The battery pack of the composite power underwater glider has two degrees of freedom of translation and rotation, and can adjust the pitch angle and heading angle of the underwater glider. The hydraulic components and the heat exchanger in the main body constitute the hydraulic oil circuit. During the diving preparation stage of the composite power underwater glider, the oil return circuit works; during the diving gliding stage, the solidification oil circuit works; The pumping oil circuit works; in the floating gliding stage, the energy storage oil circuit works to realize the buoyancy driving process by combining energy in the form of battery electric energy and ocean temperature difference energy.
Owner:TIANJIN UNIV
Emergency communication command vehicle shelter
ActiveCN104018699BImprove self-sustainabilityIndependent designSmall buildingsEngineeringE communication
The invention relates to a shelter of an emergency communication command vehicle, relating to an emergency communication command shelter and aiming at solving the following problems that an existing emergency communication command vehicle is easily influenced by the factors, such as roads and environments, because the vehicle is used as a transport carrier, and in addition, the holding force is poor because running guarantee is excessively provided by the vehicle as the carrier. The shelter of the emergency communication command vehicle, which is disclosed by the invention, comprises a box body, a communication part, a power supply guarantee part, a control part and a logistical guarantee part; the box body is divided into a control cabin and an equipment cabin; a field commander control table, a living guarantee area, a logistical guarantee area, a power supply and distribution area, a flight control operation table and a communication network area are arranged in the control cabin; a communication signal of a communication antenna passes through a front cable window or a rear cable window arranged on the box body through a communication antenna feeder and is connected with the communication signal input / output end of a communicator in the box body; power is supplied to the communication part, the power supply guarantee part, the control part and the logistical guarantee part by a power supply battery pack. The shelter of the emergency communication command vehicle, which is disclosed by the invention, is applied to emergency communication command under all kinds of severe working conditions.
Owner:STATE GRID CORP OF CHINA +1
Bacteria filter for urban rainwater collecting
InactiveCN103011513BGood removal effectImprove stabilityMultistage water/sewage treatmentWater sourceFilter media
The invention discloses a bacteria filter for urban rainwater collecting. A filtering medium layer is mounted in a bacteria filter body; a transition medium layer supporting the filtering medium layer is arranged under the filtering medium layer; a compost covering layer covers the upper surface of the filtering medium layer; plants are grown on the compost covering layer; a water drain pipe for draining treated rainwater is arranged at the lower part of the bacteria filter body; an overflow pipe enabling untreated rainwater to overflow is arranged at the upper part of the bacteria filter body; and a rainwater retention zone is arranged above the transition medium layer in the bacteria filter body. The bacteria filter is reasonable in structure, can treat and collect rainwater, provides a large amount of high-purity water sources to be selectively used in cities, and meanwhile, solves the urban environment problem caused by storms. Viewed from the ecology, the bacteria filter for urban rainwater collecting can serve as or replace existing urban greening well, and has the characteristics of environment friendliness and strong compatibility.
Owner:冯文俊 +2
Variable-configuration dual-state long-range marine unmanned vehicle driven by natural environment fluid
ActiveCN111619776BImprove space coverageAchieve energy self-sufficiencyPropulsion based emission reductionPropulsion power plantsBuoyancy regulationNatural environment
Owner:TIANJIN UNIV
A composite flexible support integrated support system for deep foundation pit engineering
ActiveCN112663621BEffective coverageEffective supportClimate change adaptationExcavationsShotcreteSupporting system
The invention discloses a composite flexible support integrated support system for building deep foundation pit engineering, which belongs to the field of composite flexible support for building deep foundation pits. After pretreatment, anchoring can effectively improve the firmness of the anchor rod and the inside of the foundation pit, and the use of steel mesh frame can effectively cover and support the deep foundation pit slope in time, and effectively absorb the generation of slope displacement. The dynamic stress of the deep foundation pit has the effect of supporting and buffering. The anchor rod and the deep foundation pit slope protection are integrated to bear the elastic strain, and the self-bearing capacity of the deep foundation pit slope is improved. The elastic filler for buffering effect, the anchor rod for reinforcement effect and shotcrete are composed The composite flexible support system greatly changes the support effect, and the prefabricated components make the construction convenient and efficient.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
An automatic braking device for rope transmission
The invention relates to an automatic braking device driven by a rope, which belongs to the technical field of mechanical manufacturing equipment. In this automatic braking device, a side bottom of the base plate is provided with a ring for hanging heavy objects, and the base plate is provided with a moving shaft hole, a fixed axis hole and a stop pin hole, and the pressure groove is fixed on the bottom of the base plate. One end of the handle and the steering wheel are coaxially fixed on the moving shaft, and the moving shaft is inserted in the oblong moving shaft hole. The middle part of the handle and the pressing block are fixed in the fixed shaft hole through the fixed shaft, and one end of the pressing block is relatively fixed with the moving shaft. The stop pin is inserted in the stop pin hole, and the other end of the handle rests on the stop pin. With the automatic braking device of the present invention, when emergency braking is required, the device can realize automatic braking only by pulling off the stop pin, and the operator can move the handle to achieve safe descent, thereby ensuring the safety of the operator. The brake device of the invention has the advantages of simple structure, small volume, light weight, automatic braking, reliable braking, high efficiency and convenient operation.
Owner:DONGGUAN TIANNAN OPTICAL TECH
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