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649results about "Turf growing" patented technology

Rapid restoration method for degraded grassland based on microbial agent

The invention discloses a rapid restoration method for degraded grassland based on a microbial agent. The microbial agent is formed by compounding 15-30 parts of a nitrogen-fixing microbial agent, 10-20 parts of a phosphate-solubilizing microbial agent, 8-15 parts of a plant growth-promoting microbial agent, 25-40 parts of a humic acid carrier, 3-8 parts of an embedding agent sodium alginate and 5-12 parts of a nutritional agent molasses. Wherein the nitrogen-fixing bacteria are azotobacter chroococcum and alfalfa rhizobium (the viable count is greater than or equal to 5 * 10 < 9 > CFU / g), the phosphate solubilizing bacteria are bacillus megatherium (the viable count is greater than or equal to 1 * 10 < 10 > CFU / g), and the growth-promoting bacteria are bacillus subtilis and pseudomonas fluorescens (the viable count is greater than or equal to 2 * 10 < 10 > CFU / g). The microbial inoculum is subjected to activation, carrier adsorption, sodium alginate embedding granulation and CaCl2 cross-linking processes to be prepared into slow-release particles of 1-3 mm. 200-250 kg of organic fertilizer is applied to each hectare in a mild area, 300-400 kg of organic fertilizer is applied to each hectare in a moderate and severe area, and leymus chinensis and wheatgrass are sown in a mixed mode. After 90 days of application, the vegetation coverage is improved by 40% or above, the soil organic matter is increased by 25-40%, the microbial diversity index is larger than or equal to 3.5, and the comprehensive remediation cost is reduced by 53%.
Owner:BAIHULING FOREST FARM OF GUANDI MOUNTAIN STATE FORESTRY ADMINISTRATION OF SHANXI PROVINCE

Blower and / or vacuum

A handheld blower and / or vacuum has a housing base body with a main flow duct in which a fan is arranged and through which main air flow flows when the blower is in operation. The housing has a handle having a cooling air duct that extends from an inlet opening on the main flow duct via a holding section of the handle up to an outlet opening. The inlet opening is assigned to a first end of the handle. When the blower is in operation, cooling air flow flows from the inlet opening of the handle to the outlet opening of the cooling air duct. An electronic structural unit is arranged in the handle in such a way that this electronic structural unit is cooled by the cooling air flow when the blower is in operation.
Owner:ANDREAS STIHL AG & CO KG

Shrub-grass combined vegetation restoration and reconstruction method for photovoltaic power station in high-cold and high-altitude area

PendingCN121058503AHops/wine cultivationTurf growingRevegetationDasiphora fruticosa
The invention discloses a shrub and grass combined vegetation restoration and reconstruction method for a photovoltaic power station in a high-cold and high-altitude area, relates to the technical field of vegetation restoration and reconstruction, and aims to solve the problem that shrub and grass growth is not facilitated when the prior art is applied to the high-cold and high-altitude area. The method comprises the following steps; the method comprises the following steps: S1, soil improvement: improving the soil of a photovoltaic power station area in a high-cold and high-altitude area; s2, shrub and grass vegetation selection: selecting and using potentilla fruticosa and potentilla glauca to alternately plant in a vacant area between the photovoltaic panels according to the line spacing of 2m and the plant spacing of 1.5 m, then selecting and using elymus nutans and siberian wildrye, mixing the elymus nutans and the siberian wildrye according to the seed mass ratio of 1: 1, sowing in line in the shrub lines and the area below the photovoltaic panels, and the sowing rate per mu being 15-20kg; s3, later-stage maintenance management, wherein the planted shrub and grass vegetation is subjected to maintenance management. The method has the advantage of guaranteeing the growth and survival of shrub and grass vegetation.
Owner:HUA DIAN (NI MU) XIN NENG YUAN YOU XIAN GONG SI +1

River ecological revetment

The application discloses a river ecological slope protection, and relates to the technical field of new energy building engineering.The river ecological slope protection comprises a slope protection body and a slope protection device, the slope protection body is provided with a water storage tank, a nozzle pipe, a watering nozzle, a watering pipe, a pump, a solar panel and a planting area, the water storage tank is communicated with a river channel through an anti-overflow pipe, water level is dynamically adjusted, and rainwater is collected; the watering system is driven by the pump, and vegetation is irrigated by solar power supply; the slope protection device comprises a self-adaptive protection structure and an aquatic breeding module; after water is stored in a pressure water storage tank, a pressing plate is driven to be pressed down, a linkage movable rod is extended and retracted to protect a plate, water flow erosion is resisted, and soil and water loss of the planting area is avoided; a servo motor controls the lifting of a breeding net cage through a cable and a pulley block, water level change is adapted, and economic value is improved.The river ecological slope protection realizes self-adaptive adjustment of the slope protection structure, efficient utilization of water resources and collaborative optimization of ecological and economic benefits through intelligent control, new energy driving and modular design, and is suitable for river channel management and ecological restoration engineering.
Owner:NANJING WATER CONSTR ENG CO LTD

Electric blower apparatus with battery pack

The disclosure relates to an electric blower apparatus having a back plate, for carrying on the back of a user. The back plate has a plate axis, oriented in the vertical direction, an upper plate section and a lower plate section. The blower spiral of the blower apparatus comprises an axial end face, to which an electric motor is fixed having a drive shaft which is connected to a fan wheel. For the supply of energy, a battery pack is provided, which is arranged in a receiving space between the first, upper plate section of the back plate and the blower spiral. The housing shaft comprises an insertion opening which faces away from the electric motor.
Owner:ANDREAS STIHL AG & CO KG

Sand-fixing and water-retaining agent and method for preventing and repairing grassland desertification by using same

The invention relates to a sand-fixing and water-retaining agent and a method for preventing and repairing grassland desertification by using the same. The sand-fixing and water-retaining agent is mainly prepared by compounding the following components: polyglutamic acid, a compound biological enzyme preparation and compound vitamins. The method comprises the following steps: (1) enclosing: enclosing a potential desertification grassland area and forbidding grazing; (2) spraying a water-retaining agent and sowing grass seeds: blending the sand-fixing and water-retaining agent with water according to the size of a potential desertification grassland area in summer of the first year, and immediately sowing the grass seeds after spraying operation; and (3) recuperating: repeating the operation of the step (2) within 2-4 years from the next year, and reseeding grass seeds in an area which is not recovered in the previous year. The sand-fixing and water-retaining agent is friendly to grassland environment, harmless to animals and plants and low in cost. The method disclosed by the invention is simple and convenient to operate, the pasture grows and recovers quickly, and the purpose of preventing grassland desertification is achieved.
Owner:CHENGDU HUAHONG ECOLOGICAL AGRI TECH CO LTD

Goaf microorganism and plant synergistic soil fixation method and soil fixation device

The invention discloses a goaf microorganism and plant synergistic soil fixation method and a soil fixation device, belongs to the technical field of goaf soil fixation, and aims to solve the problem that an existing goaf fixation process is difficult to realize deep stabilization and ecological restoration synergistic treatment, and the goaf microorganism and plant synergistic soil fixation method comprises the following steps: S1, pretreating the ground surface of a goaf; s2, acquiring goaf data; s3, determining a core reinforcement area and an ecological restoration area according to the model data in the S2; s4, deep injection reinforcement is conducted on the core reinforcement area; step S5, planting plants, step S6, carrying out drip irrigation on the ecological restoration area, and monitoring the matrix strength growth rate S and the plant root development index RDI in real time; s7, determining that the repair is qualified according to the collected data of the S and the RDI; a deep loose matrix is effectively cemented through the microbial mineralization effect, the strength and stability of the soil body are improved, the integrity of the surface soil body and the water and soil conservation capacity are enhanced through plant root systems, and the synergistic enhancement effect is formed.
Owner:INSTITUTE FOR SMART CITY OF CHONGQING UNIVERSITY IN LIYANG LIYANG +1

Layered backfilling and ecological regreening system for flow-state solidified soil of anchoring ditch of refuse landfill

PendingCN121589101AHops/wine cultivationTransportation and packagingSustainable engineeringMuck
The invention discloses a layered backfilling and ecological regreening system for flow-state solidified soil of an anchoring ditch of a refuse landfill. The layered backfilling and ecological regreening system comprises a muck (weathered rock) pretreatment unit, a flow-state solidified soil production unit, an ecological regreening unit, a pumping backfilling unit and an intelligent regulation and control unit. According to the system, the structure reinforcing function and the ecological restoration function are successfully integrated, and a brand-new and sustainable engineering residue soil (weathered rock) resource utilization and ecological backfill solution is provided.
Owner:GEZHOUBA ZHONGGU TECH CO LTD +1

Ecological protection construction method for high-filling side slope

The invention provides a high-filling slope ecological protection construction method, and relates to the technical field of slope protection engineering. The construction method comprises the following implementation steps: step 1, slope pretreatment; the method comprises the following steps: firstly, shaping and trimming a high-filled side slope, cleaning surface topsoil, gravels and weeds, and synchronously presetting a through-type drainage system at the top, the waist and the toe of the side slope; comprising the four steps of anchor rod laying, grouting and anchoring, lattice beam pouring and geogrid laying, specifically, drilling is conducted on the trimmed slope surface of the side slope, anchor rods are laid, lattice beams fixedly connected with the anchor rods are formed through pouring, then the geogrids are flatly laid in the coverage area of the lattice beams, and double fixing is completed. The anti-sliding stability of the slope body is enhanced, the geogrids can disperse the load of the slope body, the shear strength of the surface soil body of the slope is improved, the overall stability of the high-filled slope is remarkably improved, and geological disasters such as landslide and collapse of the slope are effectively prevented.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD

Bank protection setting method for optimizing wetland ecosystem restoration

The invention relates to the technical field of hydraulic engineering, and discloses a revetment setting method for optimizing wetland ecosystem restoration. The method comprises the following steps: arranging an energy dissipation desilting area to slow down water flow and purify water quality, laying porous vegetation building blocks to enhance slope stability and water and soil conservation capability, spraying a covering material containing grass seeds, fibers and a growth promoting agent on the surface of the revetment to realize rapid greening, and arranging a water baffle and a buffer structure to prevent scouring. A system corresponding to the method integrates GPS positioning and soil salinity and water quality sensors, multi-source monitoring data are fused through an AI algorithm, an ecological health index is constructed, and a regulation and control strategy is formulated. And the control module comprises a regulation and control mechanism based on a rule engine, fuzzy logic, a neural network and reinforcement learning, and realizes automatic irrigation and drainage regulation. While the stability of the revetment structure is guaranteed, the restoration efficiency and the self-adjusting capability of the wetland ecological system are improved, and the system has the advantages of being high in ecological property, high in intelligence and wide in adaptability.
Owner:HANGZHOU HUANGWEI MUNICIPAL ENG CO LTD

Parking lot authigenic plant planting method based on carbon solid storage

The invention relates to the technical field of urban ecological engineering, in particular to a parking lot authigenic plant planting method based on carbon immobilization. The invention provides a parking lot authigenic plant planting method based on carbon immobilization, which is characterized in that a three-stage ecological rotation mechanism is introduced into vegetation construction according to the sequence of a pioneer plant period, a green manure turning and pressing soil returning period and an authigenic plant community succession period to form a parking lot authigenic plant pool, and the parking lot authigenic plant planting based on carbon immobilization is realized. The invention aims to improve the greening ecological benefit and carbon sink capacity of the parking lot by optimizing the soil structure and adopting the crop rotation technology, provides a plant pool structure which adapts to the environment of the parking lot, has high-carbon solid storage capacity and can realize autonomous ecological circulation, and improves the soil health, inhibits diseases and prolongs the plant coverage period through the crop rotation technology. The problems that traditional parking lot greening depends on manual intervention, and the carbon sink benefit is low are solved, and continuous carbon sink under the low maintenance cost is achieved.
Owner:HARBIN INST OF TECH

Methods and apparatus for ecological restoration and protection of steep slopes in open-pit mining sites

This solution addresses the problems in conventional technologies where regrowth is difficult and the stability of the regrowth structure is low on steep, rocky slopes remaining in mining areas after the operation of open-pit mines. [Solution] Belonging to the field of slope or inclined land stabilization technology, the present invention provides a method and apparatus for ecological restoration and protection of steep slopes in open-pit mines. The method for ecological restoration and protection of steep slopes in open-pit mines includes a steep slope in an open-pit mine that includes multiple layers of stair units, with the stair units sequentially arranged vertically to include gentle slopes and steep slopes. The method includes direct regreening of the gentle slopes, spraying a base layer on the bottom layer, spraying a surface layer on the top layer, and sowing mixed seeds in the surface layer. The method includes solidifying and regreening of the steep slopes, evaluating the stability of the gentle slopes and steep slopes, protecting the steep slopes based on the evaluation results, and then regreening the steep slopes. Overall, by combining this method with the present apparatus, not only is the regreening efficiency increased, but the safety of the slope and the ecological restoration effect are also guaranteed.
Owner:KUNMING PROSPECTING DESIGN INSTITUTE OF CHINA NONFERROUS METALS INDUSTRY CO LTD +1

Combined protection system for enhancing slope stability and construction method

The invention relates to the technical field of coal mine soil slope reinforcement, and particularly discloses a combined protection system for enhancing slope stability and a construction method.The combined protection system comprises a coal mine soil slope, a slope protection lattice beam structure is arranged on the coal mine soil slope, a plurality of steel pipe piles are inserted into the slope top of the coal mine soil slope, and a top beam is arranged at the tops of the steel pipe piles; the slope protection lattice beam structure comprises a plurality of cross beams and a plurality of longitudinal beams, the cross beams and the longitudinal beams intersect to form a plurality of lattice lattices, vegetation layers are arranged in the lattice lattices, anchor rods are arranged at joints where the cross beams and the longitudinal beams intersect, and the anchor rods are arranged in a coal mine soil slope in a penetrating mode to fix the slope protection lattice beam structure. A capping beam is connected between the upper ends of the multiple cross beams, and a foundation beam is connected between the lower ends of the multiple cross beams. The slope protection lattice beam structure, the anchor rods and the steel pipe piles are arranged on the coal mine soil slope and can form a mutually-reinforced combined reinforcing effect, and the stability of the coal mine soil slope is ensured.
Owner:BEIJING VIBROFLOTATION ENG

Air blowing device and detachable filter assembly for air blowing device

An air blowing device, including an air duct portion, a motor assembly arranged inside the air duct portion, a fan assembly driven by the motor assembly, a mounting portion connected to a rear end of the air duct portion, and a connecting portion connecting the air duct portion with the mounting portion. The mounting portion and the air duct portion are spaced apart from each other and cooperatively define an opening space. The air blowing device further includes an air filter that is received in and completely fills the opening space to prevent foreign particles from entering an interior of the air duct portion, without sacrificing the amount of air intaken into the air blowing device, and thus the service life of the air blowing device may be extended. Due to a detachable structure, the air filter can be conveniently removed and cleaned after being used for a long time.
Owner:JIANGSU DONGCHENG TOOLS TECH CO LTD

Method for protecting the top of an archaeological site

The application provides a site top surface protection method, and relates to the technical field of ancient site protection. The method comprises the following steps: stripping and preserving the original soil cover of the site top surface where building diseases exist; laying a protection layer on the site top surface after repairing the building diseases; wherein the protection layer comprises at least one of a modified soil layer, a root-resistant layer and a sacrificial layer; and laying the original soil cover on the protection layer. By laying a protection layer on the site top surface after repairing the building diseases, the site top surface can be prevented from suffering from new building diseases. By laying the original soil cover on the protection layer, the local plants and local plant seeds in the original soil cover can absorb the growth substrate to form a vegetation protection layer, so that the protection layer of the site top surface is isolated from the open environment characterized by strong wind, strong light and strong evaporation, the protection layer of the site top surface is prevented from being eroded and dissipated, and the service life of the protection layer of the site top surface is prolonged.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE

Water conservancy project slope protection structure with anti-scouring effect

The utility model relates to the technical field of water conservancy projects, in particular to a water conservancy project slope protection structure with an anti-scouring effect, which comprises a footstone layer and a slope protection main body, the slope protection main body is fixedly arranged on the left side of the footstone layer, and a plurality of ecological slope protection units are fixedly arranged on the slope surface of the slope protection main body. The multiple ecological slope protection units are arranged in rows, a water guide frame is fixedly arranged between every two rows of ecological slope protection units, the water guide frames are fixedly arranged on the slope protection main body, each ecological slope protection unit comprises a concrete mounting frame, vegetation bags are assembled in the concrete mounting frames, the vegetation bags are filled with soil, and the water guide frames are fixedly arranged on the slope protection main body. Grass seeds used for improving the soil quality are wrapped in the soil, and a protective net is fixedly arranged on the outer wall of the side, close to the dam, of the concrete mounting frame through bolts. According to the slope protection structure, multiple anti-scouring slope protection modes are combined together, the physical protection effect of the slope protection structure is improved, the soil structure is improved, and ecological restoration is achieved.
Owner:XINJIANG YAXIN BRANCH OF ZHONGZHUAN ENGINEERING DESIGN CO LTD

Ecological protection slope for water conservancy project

The utility model discloses an ecological protection slope for hydraulic engineering, which belongs to the field of hydraulic engineering and comprises a slope body, a fixing pipe is fixedly mounted on one side of the slope body, a plurality of connecting pipes are fixedly mounted on the outer wall of the fixing pipe, and a plurality of drip irrigation emitters are fixedly mounted on the outer walls of the connecting pipes. Protective covers are fixedly installed on the outer walls of the multiple drip irrigation emitters, partition grooves are formed in the bottoms of the protective covers, and four supporting frames are fixedly installed between the protective covers and the outer walls of the drip irrigation emitters. The drip irrigation emitter is buried between every two adjacent turfs, the protective covers are fixed to the outer walls of the drip irrigation emitter, when the drip irrigation emitter is placed underground, soil cannot enter the drip irrigation emitter, the drip irrigation emitter is prevented from being blocked, the partition grooves are formed in the bottoms of the protective covers, and when fertilizer flows out of the drip irrigation emitter, the fertilizer penetrates through the partition grooves and permeates into the soil.
Owner:诸城市河道维护中心

Typical herbaceous plant soil mixing and sowing method and newly-built terrace edge ridge biological ridge forming method

PendingCN121195665ASeed and root treatmentHops/wine cultivationWarm waterTrifolium macrocephalum
The invention provides a soil mixing and sowing method of typical herbaceous plants and a method for forming a biological ridge of a newly-built terrace edge ridge, which comprises the following steps of: 1) selecting qualified trifolium repens, ryegrass, alfalfa and vicia villosa seeds according to process requirements; 2) seed pretreatment: soaking trifolium repens and alfalfa seeds with warm water at 30-40 DEG C for 2-4 hours; the method comprises the following steps: soaking ryegrass and vetch seeds in cold water for 1-2 hours; (3) respectively and uniformly mixing the four seeds with soil according to the proportion required by the process; (4) uniformly sowing the seed-soil mixture on a target land parcel; and 5) management after sowing. According to the herbaceous vegetation soil mixing and sowing method, high germination and survival rate of the herbaceous vegetation can be guaranteed, the plant height, the above-ground biomass and the vegetation coverage of all the herbaceous vegetation are continuously increased in the growing season, and the root system biomass is in the trend of firstly decreasing and then increasing; and all herbaceous vegetation improves the water retention performance of the soil.
Owner:SOUTHWEST UNIV

Degradable extrusion mesh, composite and polymer blend composition thereof and use thereof

The present application relates to degradable extrusion webs, composites and polymer blend compositions thereof, and uses thereof. A degradable extruded web includes a plurality of interconnected strands, at least a portion of the strands being made from a polymer blend comprising a polylactic acid polymer composition, a polybutylene succinate, and a degradation additive comprising a degradation agent in a carrier resin. The present disclosure also relates to turf and methods of making turf using such degradable extrusion webs.
Owner:SWM LUXEMBOURG SARL

Rake / vacuum apparatus

ActiveUS12622368B2Hops/wine cultivationRakesMechanical engineeringRefuse collector
A combination rake / refuse collector has a rake portion which traps leaves and other debris, a handle portion which contains a hollow tube, a connector portion which connects the hollow tube to a vacuum unit, and a storage / processing container. The vacuum unit and storage processing container are carried via a shoulder harness with two straps on the back of user. The vacuum unit sucks leaves and other debris collected by the rake portion, through the hollow tube and the connector portion, and directs them to the vacuum storage bag where they are shredded and exhausted into the leaf vacuum bag. The handle portion allows the user to direct the rake portion.
Owner:WILLIAMS CODY MATHEW

Ecological restoration structure for coastal salt marsh land

The utility model discloses a coastal salt marsh land ecological restoration structure which comprises a saline-alkali soil layer, a drainage blind ditch is arranged on the saline-alkali soil layer, and a cobblestone layer is arranged in the drainage blind ditch. The saline-alkali soil layer is covered with the planting layer, the planting layer is arranged in a wave shape, a plurality of planting holes are formed in the planting layer, plants are planted in the planting holes, isolation layers are arranged between the plants and the planting holes, drainage channels are arranged below the planting holes, through holes are formed in the drainage channels, and the isolation layers and the drainage channels are communicated through the through holes; the blind pipe is arranged below the wave trough of the wavy planting layer, a first water pipe is arranged on the blind pipe, reverse filter geotechnical cloth is arranged between an opening of the first water pipe and the planting layer, and the blind pipe is connected with the drainage channel through a second water pipe. Compared with the prior art, the saline-alkali water can be prevented from backtracking, the survival rate of plant planting is improved, and ecological restoration of the coastal salt marsh desert land is facilitated.
Owner:SUZHOU GOLD MANTIS GREEN LANDSCAPE LIMITED

Composite ecological restoration technology suitable for open pit coal mine dumping site

The invention discloses a composite ecological restoration technology suitable for an open-pit coal mine waste dump. The technology comprises the following steps: (I) planting water-saving and convergence-increasing plants: sowing the water-saving and convergence-increasing plants to the open-pit coal mine waste dump to be restored in a shrub and grass seed broadcast sowing manner; (II) preparation and spraying of a prokaryotic microbial strain: culturing the separated and purified pseudoarthrobacter sp.xwn1, microbacterium sp.xwn2 and Acinetobacter sp.xwp1, carrying out enlarged culture on the cultured microbial agent, and then spraying and applying the microbial agent to the open pit coal mine waste dump after the microbial agent is applied to the open pit coal mine waste dump after the microbial agent is applied to the open pit coal mine waste dump after the microbial agent is applied to the open pit coal mine. By using the composite ecological restoration technology, the carbon sequestration capacity of plants is promoted, the organic carbon content of soil is increased, and ecological carbon sequestration restoration of the open pit coal mine waste dump is facilitated.
Owner:国能水务环保有限公司

Robotic lawn mower parking garage with openable lid

The present disclosure relates to a robotic lawn mower parking garage (300) that comprises a lid part (311) having a longitudinal extension (E) that runs between a first end (325) and a second end (326), and at least two opposing wall parts (312, 313) extending between a bottom plane (305) and the lid part (311). The lid part (311) and the wall parts (312, 313) comprise two pairs of a closed hinge slot (314, 315) and a respective hinge pin (318, 319), where, for each pair, the hinge pin (318, 319) is adapted to move and pivot in the respective hinge slot (314, 315), between a first slot end (314A) and a second slot end (314B), when the lid part (311) is moved relative the wall parts (312, 313), around a pivot axis (810). The lid part (311) and the wall parts (312, 313) comprise locking means (316, 317, 320, 321; 710, 711) that are adapted to be released from a locking position, where the lid part (311) is prevented from pivoting around the pivot axis (810), to an open position, where the lid part (311) is admitted to pivot around the pivot axis (810) when the hinge pins (318, 319) bear on a second end (314B) of the respective hinge slot (314, 315), opposite the first end (314A).
Owner:HUSQVARNA AB

A soft covering protection method for a wet environment earthen site

The present application relates to a kind of soft covering protection method of humid environment soil site, comprising the following steps: A1 vegetation survey evaluation: the vegetation characteristics of the vegetation of site body, niche relationship, species diversity level, community structure, succession characteristics and its interaction with site environment are systematically recorded and comprehensively analyzed;A2 typical dominant community species screening, screen more than 10 plants;A3 vegetation efficient cleaning;A4 demarcation mark layer laying, for separating mark site body layer and soft covering vegetation layer;A5 rammed earth isolation layer construction;A6 cultivation layer laying and processing;A7 dominant plant community seeding and ecological construction: the frequency and density of typical dominant plant community are used to determine the kind and quantity of seed, clear the proportion of seeding and carry out seeding, install sensor after seeding at each layer boundary;A8 routine maintenance and management;A9 soft covering quality monitoring and control;A10 soft covering protection effect evaluation.The present application is efficient, environmental protection, sustainable.
Owner:DUNHUANG ACAD +2

Portable electric fan

The utility model discloses a portable electric fan. A fan wheel and a wheel-shaped mounting seat are arranged in a first cylindrical shell, a front cover is arranged at a front port, and a rear cover is arranged at a rear port. A rotor magnet is arranged in a first barrel-shaped hub part of a fan wheel, and a motor rotating shaft is arranged in the center of a barrel bottom. The wheel-shaped mounting seat comprises a cylindrical contour part, a second cylindrical hub part and a plurality of first plate-shaped spokes. And a tubular mounting seat is arranged at the center of the barrel bottom of the second barrel-shaped hub part. A motor rotating shaft is assembled in the tubular mounting seat, and a stator coil is sleeved outside the tubular mounting seat. The front cover is embedded into the front end of the cylindrical contour part and comprises a front cover hub part and a plurality of second plate-shaped spokes. The first plate-shaped spokes and the second plate-shaped spokes form a plurality of flow guide plates in a one-to-one correspondence mode, and air outlet airflow can be concentrated.
Owner:HUIZHOU HUIYUE TENGDA ELECTRONICS CO LTD

Combined drainage and irrigation device for a green roof and any other planted surface, and its use in horse arenas

The invention relates to a combined drainage and irrigation device (6) comprising: - a drainage layer (7) provided with an absorption sheet (70), with a filtration sheet (71) covering the absorption sheet (70), at least two drains (72) positioned between the absorption sheet (70) and the filtration sheet (71), - a duct (73) for channelling the water from the absorption sheet (70), at least one end of the drains (72) being connected to the duct (73), characterised in that the device comprises a drip irrigation system (8) provided with at least one array of tubes (80); the array being located between the sheets (70, 71) and positioned between the two drains (72), the sheets (70, 71) being between the drains (72) and the tubes (80). The invention further relates to a green roof (1) for covering a building, or an arena (12) for horses (13), the roof or arena being equipped with a device (6) according to the invention.
Owner:RIO RONALD

River and lake bank slope ecological vegetation restoration device

The utility model discloses an ecological vegetation restoration device for river and lake bank slopes, and relates to the technical field of ecological restoration. A plurality of grooves are formed in the ring walls of a plurality of positioning rings at equal angles; two ends of a plurality of connecting network cables are respectively arranged in the grooves by using connecting assemblies; a plurality of positioning nails are movably inserted into the positioning ring respectively, the positioning nails are matched with and abut against the inner wall of the positioning ring, and open grooves are formed in the top ends of the positioning nails; one end of each of a plurality of rotating pressing rods is screwed in the corresponding open groove through threads, and the other end of each rotating pressing rod is screwed with a fixing ring through a bearing; the plurality of turfs are respectively arranged on the bank slope, and the connecting net lines are positioned behind the turfs; a plurality of fixed insertion rods are fixedly arranged on the ring wall of the fixed ring at equal angles, and the fixed insertion rods are movably inserted into the turf; by means of the net structure formed by the positioning rings and the connecting net lines and the fixing effect of the positioning nails, the turf can be conveniently fixed to the bank slope, the anti-scouring capacity of the bank slope is improved, and ecological restoration of the bank slope is facilitated.
Owner:HUBEI PROVINCIAL WATER RESOURCES & HYDROPOWER PLANNING SURVEY & DESIGN INST

Power tool with overheating protection

Electric tools, in particular leaf blowers, containing a drive unit, a control unit (100) for controlling the drive unit, a temperature monitoring unit configured to transmit a temperature value to the control unit (100), wherein the temperature value is characteristic of a temperature of the drive unit, wherein the control unit (100) is configured to gradually control the operation of the drive unit depending on the temperature value.
Owner:TECHTRONIC CORDLESS GP

Intelligent mobile device and intelligent system comprising same

The invention relates to an intelligent mobile device and an intelligent system comprising the intelligent mobile device, the intelligent mobile device can be provided with a working head, and the intelligent mobile device comprises an intelligent mobile device main body; the walking mechanism is mounted on the intelligent mobile equipment main body to drive the intelligent mobile equipment main body to move; one end of the connecting arm is rotatably mounted on the intelligent mobile equipment main body, the other end of the connecting arm extends towards one side far away from the intelligent mobile equipment main body and is provided with a connecting structure used for mounting the working heads, and the connecting arm is provided with different working heads through the connecting structure so as to carry out different types of work; and the control module is electrically connected with the connecting arm so as to control the working state of the connecting arm. According to the intelligent mobile equipment, different working heads can be installed through the connecting arm according to different states so as to conveniently and rapidly switch the working states, so that the intelligent mobile equipment has relatively low use cost and relatively high working efficiency, and different requirements of people are met.
Owner:POSITEC TECH CHINA CO LTD