985 results about "Leaf fall" patented technology

The invention relates to the technical field of planting and spraying, and provides a nutrient solution preparation and spraying device for navel orange planting, which comprises a moving table, and the top end of the moving table is fixedly connected with a liquid storage tank; according to the cleaning device, a first motor is started, the first motor drives a first rotating shaft to rotate, the first rotating shaft drives a third gear to rotate, the third gear drives a second gear to rotate, the second gear drives a rotating rod to rotate, the rotating rod drives the first gear and a rotating cleaning plate to rotate, and the first gear rotates to be meshed with an annular rack; a first gear drives a first connecting block to move, a supporting sliding block can movably support the first connecting block, a rotating sweeping plate rotates to drive a bottom nail to rotate, the bottom nail can sweep weeds, dry branches, fallen leaves, stones and the like on the ground, and therefore a nutrient solution can make contact with soil conveniently, the bottom nail is inserted into the ground, and the soil is turned over along with rotation of the rotating sweeping plate; therefore, the nutrient solution can enter the soil smoothly, and the phenomenon that the nutrient solution flows everywhere due to the fact that the land surface hardness is high is avoided.

The invention discloses an automatic dynamic measurement method and device for long-term forest eco-hydrology water volume in the technical field of eco-hydrology water volume measurement, and the method comprises the specific steps: 1, selecting a measurement point, building a sample plot according to a standard, and selecting a plurality of experiment points meeting conditions in the sample plot; 2, installing a water quantity monitoring device at the experiment point meeting the condition; 3, measuring the trunk runoff, the penetration precipitation, the water content of a surface fallen leaf layer and the soil water content of the forest in a preset time period by using a water quantity monitoring device, and recording a drainage time point; and 4, calculating the flow velocity, the total flow and the forest water conservation amount according to the measured data. The device is convenient and practical, penetrating rainfall is intercepted and measured through the plastic film, stem flow is intercepted and detected through the runoff ring, the fixing claws are continuously pushed to enter a tree trunk through the telescopic connecting rods by means of the gravity of water in the water measuring cylinder to fix the whole device, and the data quality stability of long-term hydrological water volume measurement and the safety of the device are improved.

The invention relates to the technical field of transformers, and discloses a wind power energy storage transformer with a high heat dissipation function, the wind power energy storage transformer comprises a transformer body, the periphery of the transformer body is equidistantly provided with a plurality of heat dissipation fin bodies; through the arrangement of the cleaning scraping plate, the driving assembly and the locking assembly, the driving assembly drives the cleaning scraping plate to rotate by 90 degrees anticlockwise and then ascend and descend to clean fallen leaves in gaps of the adjacent cooling fin bodies, the locking assembly is used for locking the cleaning scraping plate when the cleaning scraping plate rotates by 90 degrees anticlockwise, the fallen leaves are cleaned in time, the cooling effect of the cooling fin bodies can be improved, and the service life of the cooling fin bodies is prolonged. Meanwhile, fallen leaves can be prevented from rotting on the surface of the heat dissipation fin body, the service life of the heat dissipation fin body is prolonged, the U-shaped scraping plate and the linear scraping plate are arranged in a vertical state in the initial state, the fallen leaves can be prevented from falling into the surfaces of the U-shaped scraping plate and the linear scraping plate, and heat dissipation of the heat dissipation fin body is improved.

The utility model relates to the technical field of environmental sanitation cleaning, in particular to environmental sanitation cleaning branch and leaf smashing equipment which comprises a swing suction mechanism, and a branch and leaf smashing mechanism is fixedly arranged at the end of the swing suction mechanism. According to the utility model, the fan can be driven by the driving motor I in the swing suction mechanism, so that air can be supplied to the straight cylinder, the pressure intensity of the straight cylinder is small, fallen leaves on the ground can be sucked into the straight cylinder through negative pressure generated in the leaf suction cylinder, and then the fallen leaves are discharged into the corrugated hose along with the straight cylinder; then the branches and the forks are blown into a connecting cover under the action of wind power to be cut and smashed by a plurality of rotating leaf cutting blades, the branches and the forks can be placed at the top of a branch smashing shell to be smashed by two chopping rollers and then discharged into a conveying barrel together, and then smashed branch powder and smashed leaf powder are conveyed into a collecting box in a unified mode through an auger; through the equipment, leaves can be sucked in a swinging manner to achieve an automatic feeding effect, so that the operation trouble of manually putting the leaves by cleaners is saved, and the crushing efficiency is improved.

The invention discloses a differential chlorophyll fluorescence inversion method, system and device and a storage medium, and is applied to the field of vegetation remote sensing and physiological ecological monitoring, and the method comprises the steps: obtaining vegetation state monitoring data of a target region; on the basis of vegetation state monitoring data, asynchronous leaf-changing type evergreen arbors and synchronous deciduous type arbors are identified; carrying out SIF simulation on the asynchronous leaf-changing type evergreen arbors and the synchronous deciduous type arbors by adopting corresponding models respectively; according to the phenological phase function and the stress response function, generating correction factors corresponding to the asynchronous leaf-changing evergreen arbors and the synchronous deciduous arbors; the obtained initial SIF value is optimized through a corresponding correction factor; fusing the optimized SIF values to generate an SIF time sequence product; according to the method, differential model configuration and physical mechanism driven online correction are coupled, so that the problems of model mismatching and physiological mechanism deficiency in heterogeneous vegetation SIF inversion are solved, and an SIF time sequence product which is high in precision and clear in physiological and ecological significance is generated.

The invention belongs to the technical field of road sweeping equipment, and particularly relates to a dust collection device for collecting fallen leaves and a sweeping vehicle. The dust suction device comprises a lifting connecting frame and a suction cup, the lifting connecting frame is connected with the suction cup, the suction cup is provided with a suction port used for being connected with an air pipe, a suction and pickup cavity is formed in the suction cup and communicated with a dust suction port, and a flow guide pressing plate is arranged on the suction cup. The height of the suction cup can be adjusted through the lifting connecting frame, fallen leaves are downwards squeezed into the suction and picking cavity in cooperation with the design of the height and the inclination angle of the flow guide pressing plate, and leaves conveniently enter the suction and picking cavity of the suction cup. And the situation that the fallen leaves cannot enter the sucking and picking cavity under the condition that the fallen leaves are too many and stacked high is avoided.

The invention relates to the technical field of fallen leaf cleaning, and discloses a hedge fallen leaf cleaning, blowing and sucking all-in-one machine which comprises a bottom plate, a supporting plate is fixedly connected to the top of the bottom plate, an engine is fixedly connected to the top of the supporting plate, a fan is fixedly connected to the output end of the engine, and a reciprocating assembly is arranged in the bottom plate. A swinging assembly is arranged on the outer wall of the bottom plate, two supporting rods are fixedly connected to the rear side of the top of the bottom plate, a filtering box is fixedly connected to the tops of the supporting rods, a filtering assembly and a cleaning assembly are arranged in the filtering box, and a collecting box is connected to the bottom of the filtering box through a connecting piece; the motor is fixedly connected to the interior of the bottom plate. By arranging a reciprocating assembly and a swinging assembly, a motor drives a sector gear to drive a gear ring and a sliding plate to reciprocate, then a first rack plate is linked to drive a half gear to intermittently rotate, and finally left-right swinging of a suction cup is achieved.

The invention relates to a novel out-of-season planting method for morus laevigata. The planting method comprises the following steps: selecting robust plants; a nutrition regulator is sprayed to the leaf surfaces of the morus laevigata, spraying is conducted every 10 days, and spraying is continuously conducted three times; spraying a conditioning agent to the leaf surfaces of the morus laevigata to accelerate the leaf falling of the morus laevigata; after new sprouts grow out, a bactericide, an insecticide and a leaf surface nutrition regulator are sprayed to the whole garden, and it is guaranteed that plants grow robustly. According to the out-of-season morus laevigata planting method, disease prevention is conducted on morus laevigata in the early stage through a bactericide and an insecticide, a proper time period is selected in the later stage to conduct catalytic aging and leaf falling on plants, and then flower forcing, germination and other series of operation are conducted, the fruit bearing time of crops is adjusted, the temperature is low in autumn, the weather is dry, the humidity is low, the number of fallen fruits is small, and the fruit yield is greatly increased; and the income is increased for farmers. The wool fiber length, the sugar degree, the coloring degree and the like of the fruits are improved, the technical difficulties are solved, and the quality and taste of the fruits are improved.

The utility model discloses an anti-blocking drainage device for a road. The road anti-blocking drainage device comprises a filtering mechanism and a drainage mechanism, the filtering mechanism is located at the upper end of the drainage mechanism, the filtering mechanism comprises a curb, a cover plate is fixedly arranged on one side of the curb, the cover plate is U-shaped, a drainage groove is formed under the cover plate, the drainage groove is also U-shaped, a plurality of holes are formed in one side of the drainage groove, and the holes are communicated with the drainage groove. And a filtering assembly is detachably arranged in the hole. According to the road anti-blocking drainage device, the drainage effect of the road surface is achieved by arranging the drainage grooves, compared with the mode that drainage holes are horizontally formed in the road surface in the prior art, the holes for road surface drainage are formed in the side wall of the curb and are vertically formed, impurities such as fallen leaves on the road surface float on the water surface under the buoyancy action of water, and therefore the road surface cannot be blocked. When fallen leaves gather at the opening of the hole along with water flow, water can still pass through the lower end of the hole, and therefore the possibility of being blocked is small.

The invention discloses a method for improving soil fertility of an orchard in a Yellow River old lane area. The orchard is covered with green grass; after the fruits are harvested and before leaves fall, a first fertilization ditch is dug at a crown water drip, and smashed straw, base fertilizer and surface soil are sequentially laid in the first fertilization ditch from bottom to top; meanwhile, digging 3-4 radial second fertilization ditches according to a water drip from a trunk to a crown, sequentially laying dry branches and fallen leaves, wheat straws and livestock and poultry manure in the second fertilization ditches from bottom to top, and putting earthworms into surface straws of the second fertilization ditches; a humic acid-containing water-soluble fertilizer is applied in a drip irrigation manner during topdressing. Therefore, through the synergistic effect of multiple technical measures such as orchard grass covering, organic fertilizer layer application, earthworm density increasing and bio-fertilizer application increasing, a benign soil ecological system is constructed, and therefore the problems that the content of organic matter in orchard soil in the Yellow River old road area is low, and the water and fertilizer retention capacity is weak are effectively solved, the soil fertility is remarkably improved, and the yield of the orchard is increased. And the fruit yield and quality are improved.

The cultivation method comprises the steps that the macadamia nut forest with the tree age larger than or equal to 5 years is selected, PVC permeable pipes with water seepage holes are laid at the bottoms of ditches, and the ditches are covered with gravel layers; ridging is conducted along the dead furrows, and a lower layer of fallen leaf crushed matter mixed decomposed farmyard manure, a middle layer of acid red soil and an upper layer of special konjak matrix containing functional microorganisms are constructed on ridge bodies in a layered mode; performing cold shock treatment on the seed taros, soaking the seed taros in chitosan-nano-selenium composite liquid, and coating the seed taros with nut oleoresin; the height of the sunshade net is dynamically regulated and controlled through an intelligent system to maintain the shading rate to be 60%-70%, and automatic drip irrigation is carried out based on a soil humidity sensor; harvesting and retaining rhizomes after konjak seedlings fall, removing konjak plants before nut fruit drop, and collecting dropped fruits by utilizing dead furrows. According to the method, the problems of water and light accurate regulation and control, root competition and harvesting conflicts are solved, waste recycling is achieved, the soft rot rate is decreased, the fruit drop loss rate is greatly decreased, and the comprehensive output value is remarkably increased.

The present application relates to a fallen leaf collector, which belongs to the technical field of cleaning parts. It includes a carrier box with a moving part and a leaf collecting mechanism connected to the carrier box, and the leaf collecting mechanism includes a cleaning fan blade for moving leaves on the ground, a driving part for driving the cleaning fan blade to rotate, and a collecting part for receiving and collecting leaves. When the collector is in use, the moving part drives the carrier box to move, thereby moving the leaf collecting mechanism, and at the same time starting the driving part, driving the cleaning fan blade to rotate through the driving part, and the cleaning fan blade moves the leaves on the ground and pushes the leaves into the collecting part, thereby completing the collection of leaves; the driving part drives the cleaning fan blade to rotate, increasing the rotation speed of the cleaning fan blade, so that the cleaning fan blade can more easily push the leaves on the ground into the collecting part.

The fallen leaf composting device for landscaping comprises a supporting table, two vertical mounting plates are symmetrically and fixedly arranged at one end of the supporting table, and a screw rod is rotationally arranged between the two vertical mounting plates; a first motor for driving the screw rod to rotate is arranged on the outer side of one of the vertical mounting plates; a movable table is arranged on the screw rod, and a threaded hole matched with the screw rod is formed in the middle of the movable table; a supporting frame is fixedly arranged on the upper portion of the movable table, and a smashing box with the upper portion of an opening structure is fixedly arranged on the supporting frame. And two crushing shafts are rotationally arranged at the position, close to the upper end, in the crushing box, a second motor used for driving the two crushing shafts to rotate relatively is arranged outside the crushing box, and a plurality of groups of crushing blades are arranged on the two crushing shafts in a staggered mode. According to the utility model, the production efficiency of fallen leaf composting for landscaping is effectively improved, and the composting effect can be ensured.

The invention discloses landscape garden dry branch and fallen leaf treatment equipment, and relates to the technical field of landscape garden environment treatment.The landscape garden dry branch and fallen leaf treatment equipment comprises a grassland walking vehicle, the grassland walking vehicle is of a flat plate structure, and walking wheels are arranged at the bottom of the grassland walking vehicle and walk on the ground of a landscape garden; a dry branch and fallen leaf collecting box is fixedly installed at the top end of the grassland walking vehicle, and a pushing handle is arranged on the rear side of the dry branch and fallen leaf collecting box. The leaf shoveling plate is obliquely arranged below the grass inlet and is arranged at the foremost end of the grassland walking vehicle, so that when the grassland walking vehicle walks on the ground of a landscape garden, the leaf shoveling plate at the foremost end can be put down to carry out shoveling along the ground, and dry branches and fallen leaves on the ground are shoveled and collected; and the dry branches and fallen leaves are pulled through the rotating waste grass rake above, so that the dry branches and fallen leaves can better enter the grass inlet and are fed into the dry branch and fallen leaf collecting box through the feeding box in the grass inlet to be collected.

The invention relates to the technical field of water surface pollutant monitoring, in particular to a pollutant monitoring method for an aquaculture area, which comprises the following steps: acquiring a water bloom and fallen leaf mixed image, and graying the water bloom and fallen leaf mixed image to obtain a water bloom and fallen leaf mixed gray image; carrying out threshold segmentation on the water bloom and fallen leaf mixed grayscale image according to a preset fallen leaf threshold to distinguish a fallen leaf area and a suspected water bloom area; performing threshold segmentation on the suspected algal bloom area according to a preset algal bloom threshold to obtain an algal bloom area; and obtaining the ratio of the area of the water bloom region to the area of the water bloom and fallen leaf mixed image, and judging the water bloom pollution degree and countermeasures according to the ratio. According to the invention, the water bloom pollution degree can be obtained according to the water bloom and fallen leaf mixed image, and corresponding measures are taken in time according to the water bloom pollution degree to process the water bloom.

The utility model belongs to the technical field of pavilions, and particularly relates to a top drainage structure of a pavilion, which comprises a pavilion base, a hollow pavilion top cover, a plurality of hollow support columns, a cleaning component, a driving component and a transmission component. A plurality of supporting columns are fixedly installed between the pavilion base and the pavilion top cover and arranged in parallel, the supporting columns are communicated with an inner cavity of the pavilion top cover and penetrate through the pavilion base, a plurality of water outlets and a plurality of slag outlets are formed in the pavilion top cover, and the water outlets and the slag outlets incline inwards. The pavilion top drainage device is reasonable in design and easy and convenient to operate, the pavilion top drainage effect can be effectively improved, meanwhile, through matched use of the driving assembly, the transmission assembly and the cleaning assembly, the rapid cleaning effect can be achieved in a simple manual intervention mode, sundries such as fallen leaves are prevented from blocking a drainage opening and a slag discharging opening, and the service life is prolonged. And the drainage and deslagging effects of the pavilion are improved.

The utility model relates to the technical field of leaf suction devices, and discloses a leaf suction device for garden maintenance, which comprises a movable bottom plate, a leaf suction machine and a leaf suction box, the leaf suction machine and the leaf suction box are arranged at the top of the bottom plate, one end of the leaf suction machine is communicated with the leaf suction box through a material guide pipe, and the other end of the leaf suction machine is connected with a suction port through a connecting pipe. The device further comprises a material collecting mechanism arranged below the bottom plate, the material collecting mechanism comprises material collecting sweeping arms rotationally arranged on the two sides of the suction port and a control mechanism used for controlling the material collecting sweeping arms to rotate to be unfolded or folded so as to achieve material collecting, and the material collecting sweeping arms can make contact with the road surface. And when the collecting and cleaning arms are folded from outside to inside, the fallen leaves on the two sides are concentrated to the suction port. According to the utility model, through the arrangement of the collection cleaning arm, fallen leaves on two sides of the device are cleaned by the collection cleaning arm to be concentrated to the suction port, so that the suction port can suck the fallen leaves conveniently, and the suction range is expanded.

The application discloses a strain of Mei Ji Maydomyces for delaying early leaf fall of pears and application thereof, and belongs to the technical field of microorganisms. The strain has a preservation number of CGMCC NO.31969 and a preservation date of September 13, 2024. The Mei Ji Maydomyces provided by the application is separated from the surface of healthy pear fruits, is harmless to human bodies, is high in safety, has strong bacteriostatic activity, and can effectively inhibit the growth of early leaf fall pathogenic bacteria of pear, such as Guibao anthracnose, Alternaria alternata and Neofusicoccum parvum. The application makes up for the deficiency of existing plant growth regulators and widens the application range of plant senescence delaying agents.

The invention relates to the technical field of power equipment cooling, and discloses a reactive power compensation device evaporative cooling system which comprises an SVG compensation cabinet, one side of the SVG compensation cabinet is provided with a cooling liquid discharge pipe and a cooling liquid access pipe, and the cooling liquid discharge pipe and the cooling liquid access pipe are both connected to a heat exchange mechanism. An automatic replacement mechanism is arranged in the heat exchange mechanism, and the heat exchange mechanism is connected to the cooling mechanism; according to the invention, the heat exchange mechanism is connected with the micro-pore plate of the IGBT module for heat exchange, meanwhile, the cooling mechanism is matched for evaporative cooling of cooling water for heat exchange, and the automatic replacement mechanism can complete the replacement process of the filtering tank under the condition of continuous work without shutdown, so that stable operation of power equipment is guaranteed; meshes of the air inlet plate are cleaned through the fan cover anti-blocking mechanism, so that the meshes are prevented from being blocked; and in the cleaning process, the circulating cleaning mechanism is matched to automatically remove impurities such as fallen leaves in the cooling mechanism, and the labor cost of system management is reduced.

The embodiment of the invention relates to the field of artificial intelligence, and provides a method and a system for automatically collecting fallen leaves and sediments in a swimming pool based on visual identification. The method comprises the steps of obtaining a tree distribution condition around a target swimming pool; dividing the target swimming pool into a plurality of swimming pool grid areas according to the swimming pool structure; predicting a fallen leaf distribution condition in a future preset time period through a fallen leaf distribution prediction model of a space-time diagram neural network in combination with the current weather condition and the tree distribution condition; acquiring multi-modal environment data and people flow state data around the target swimming pool, and predicting a sediment distribution condition in a future preset time period through the sediment prediction hybrid model; according to the fallen leaf distribution condition and the sediment distribution condition, an initial collection task of the target robot is generated for the space structure of the target swimming pool; the initial collection task is dynamically adjusted according to the monitoring image data in the surrounding water area, so that floating objects and sediments temporarily appearing in the surrounding water area are removed, and the cleaning coverage rate and the cleaning efficiency of the swimming pool are improved.

The invention relates to a landscaping drainage structure which aims at solving the technical problem that at present, after fallen leaves and withered grass are accumulated and rotten, a bottom drainage area is prone to being blocked, and drainage is affected. A drainage channel; the two sides of the bottom of the drainage groove are respectively provided with a water passing opening. The two slag slowing structures are arranged in the drainage groove in a staggered manner; wherein the slag slowing structure is used for bearing fallen leaves and withered grass which flow down along with water; the top sealing structure is arranged at the top of the drainage groove; the drainage channel has the advantages that water flows into the drainage channel from the top sealing structure, the water can pass through the inclined plate, and sundries such as fallen leaves and withered grass can stay on the inclined plate, so that the sundries at the bottom of the drainage channel are reduced, and the possibility of water plugging is reduced to the maximum extent.

The utility model relates to the technical field of forest fire control, in particular to a water storage tank for forest fire control, which comprises a movable support plate, moving wheels are arranged on two sides of the outer wall of the movable support plate, a water storage tank is arranged above the top end of the outer wall of the movable support plate, and one side of the top end of the outer wall of the water storage tank is communicated with a water supply port. According to the rainwater collecting device, impurities and fallen leaves in rainwater can be filtered through the arranged filter screen and the arranged filter element, the situation that the impurities such as the fallen leaves enter the water storage tank to be rotten is avoided, and the rainwater collecting device has the advantages that the rainwater collecting device is simple in structure and convenient to use. And through the arranged hinged baffles, the situation that rainwater in the water storage tank is evaporated in the high-temperature environment can be effectively avoided, and therefore people can use the water storage tank more conveniently.

The utility model belongs to the technical field of drainage structures, and discloses a sinking type green belt drainage structure which comprises a lane and a green belt body connected with the lane, curbs are arranged on the two opposite side walls of the green belt body, a plurality of water inlets are formed in the side walls, close to each other, of the two curbs, and a plurality of water outlets are formed in the side walls, close to each other, of the two curbs. A plurality of water outlets are formed in the side walls, close to each other, of the two curbs, an upper drainage channel and a lower drainage channel which are communicated with each other are arranged in the curbs, the water inlets are communicated with the upper drainage channel, and the water outlets are communicated with the lower drainage channel. A communicating groove communicating with the multiple water inlets is formed in the side wall of the curb, and a filter screen used for blocking impurities such as fallen leaves is arranged in the communicating groove. The drainage structure has the effect of improving the drainage capacity of the drainage structure of the green belt.

The invention relates to the technical field of terrain monitoring, in particular to a high slope displacement monitoring device which comprises a measuring station, the measuring station is a measuring station in a GNSS displacement monitoring station, data are uploaded to a base station and an environment monitoring platform in the GNSS displacement monitoring station in a 4G mode or an Ethernet mode, a solar power supply mode is adopted, and in addition, the measuring station is connected with the environment monitoring platform in a wireless communication mode. According to the invention, through the solar panel with a folding structure, the power supply stability of the measuring station can be prevented from being reduced due to the stacking of flying stones and fallen leaves in an external environment in severe weather, the limitation of natural conditions such as weather, illumination and the like on the measuring station is reduced, and all-weather monitoring can be realized; and the stable monitoring effect can be kept in various environments.

The utility model belongs to the technical field of strawberry planting, and particularly relates to drip irrigation equipment which comprises a case. A first supporting table is bolted to the bottom of the right side of the case, a water pump is bolted to the top of the first supporting table, a water inlet of the water pump communicates with a water inlet pipe, the left end of the water inlet pipe communicates with the bottom of the right side of the case, a water outlet of the water pump communicates with a water outlet pipe, and the right end of the water outlet pipe communicates with a communicating frame; the bottom of the communicating frame sequentially communicates with drip irrigation water pipes from left to right, a mixing assembly is arranged in an inner cavity of the machine box, and a filtering box is connected to the top of the machine box in a bolted mode. Through the structural design of the first motor, the lead screw, the threaded sleeve, the moving plate, the scraper and the filter screen, rainwater enters the filter box through the funnel, the rainwater is filtered through the filter screen, impurities such as fallen leaves are removed, water resources are saved, and the scraper can clean the filter screen and push the impurities such as the fallen leaves out of the filter box.

The utility model discloses an isolating switch protective cover, which relates to the technical field of isolating switch accessories, and comprises a box body and a box cover, water collecting tanks are arranged in the middle positions of the tops of adjacent sides of the box body and the box cover in a penetrating manner, a first filter screen is arranged between the tops of the inner walls of the two water collecting tanks, and the filter screen is used for filtering sundries such as fallen leaves and the like. Water flowing grooves are formed in the positions, close to the front end and the rear end, of the side, adjacent to the box cover, of the box body in a penetrating mode, the water flowing grooves are used for draining rainwater, an annular groove is formed in the middle of the right side of the box body in a penetrating mode, a rubber ring is fixedly connected to the middle of the left side of the box cover, and the rubber ring and the annular groove are clamped to increase leakproofness. A heat dissipation opening is formed in the middle of the bottom of the inner wall of the box body in a penetrating mode, a heat dissipation fan is fixedly connected between the middle of the front end and the middle of the rear end of the inner wall of the heat dissipation opening, and the heat dissipation fan is used for discharging heat in the box body from the heat dissipation opening.

The application discloses a kind of green environmental protection tents, belong to tent technical field.Mainly include: two groups of slide rails;At least three groups of framework, which is installed between two groups of slide rails;Tarpaulin, which is installed on the framework;Striking mechanism, which is installed inside the framework, and the striking mechanism includes: base, which is installed inside the framework;Rotary shaft, which is installed at both ends of the base;Rotary arm, which is installed at one end of the rotary;Striking head, which is installed at the end of the rotary arm.A kind of green environmental protection tent of the application can shake the inside surface of tarpaulin by setting the striking mechanism, so as to achieve the effect of falling leaves sliding on the outside of tarpaulin.

The utility model discloses a courtyard cleaning robot system, the courtyard cleaning robot system comprises a robot and a collecting system, the robot transports fallen leaves to the collecting system after cleaning a courtyard, the collecting system comprises a collecting barrel, a sealing device and an opening binding device, and the collecting barrel is used for placing a collecting bag. The sealing device is connected with the rear side of the collecting barrel in the first direction. The opening binding device comprises a clamping plate, a pressing rod and a driving piece, and the clamping plate is located on the side, in the second direction, of the opening sealing device and movably connected with the collecting barrel. The pressing rod is connected with the front side, in the first direction, of the collecting barrel. The driving piece is connected with the pressing rod or the collecting barrel and arranged to be capable of driving the pressing rod and driving the clamping plates to be switched between the gathering state and the separating state. And in the gathering state, the pressing rod and the clamping plate respectively extrude the collecting bag to the sealing device. And in the separation state, the pressing rod and the clamping plate are respectively far away from the sealing device.

The present invention discloses an automatic cleaning device for fallen leaves in a rainwater outlet and an early warning system, which belongs to the technical field of fallen leaf cleaning in rainwater outlets. The device comprises a cleaning part which is installed inside a gutter and can move back and forth, and side walls at both ends of the gutter are installed with baffles which are controlled to open and close by the cleaning part, and the baffles and the cleaning part perform an initial squeeze out of moisture in fallen leaves that fall into the gutter, and drainage pipes are installed at both ends of the gutter, and receiving frames are installed below both ends of the gutter, and an extrusion plate which moves synchronously with the baffles and is used for a secondary squeezing of moisture in fallen leaves is installed inside the receiving frame, and the inner end of the receiving frame is communicated with the drainage pipe through a filtering mechanism, and the lower side wall of the receiving frame is arranged to be openable and closable, and the lower side wall of the receiving frame is an inclined surface which is low inside and high outside, and is used for discharging the squeezed fallen leaves.

The utility model relates to the technical field of deadwood and fallen leaf sampling, and discloses a sampling device for collecting forest deadwood and fallen leaf samples, which comprises a collecting cylinder and a placing filter plate, a filter component is arranged on the collecting cylinder, and a covering mechanism is arranged on the filter component; the filtering assembly comprises a lifting assembly and a mounting assembly, the lifting assembly comprises a long groove, a gear is fixedly connected to the surface of a rotating shaft, fixing plates are rotatably connected to the top of the rotating shaft, hinge plates are hinged to the inner sides of the left and right fixing plates, and the tops of the hinge plates are hinged to the inner sides of the connecting seats. According to the sampling device for collecting the forest dry branch and fallen leaf samples, a connecting base is lifted in a long groove, meanwhile, under the cooperation of a spring, small particles or crushed leaves mixed in dry branches and fallen leaves placed on a filter plate can be screened, the dry branches and fallen leaves can be conveniently sampled in the later period, an insertion plate is inserted into an insertion groove, and the insertion plate is inserted into the insertion groove; the mounting base and the fixing ring are fixed through the bolt in a threaded mode, and the fixing ring can be fixedly arranged at the top of the collecting barrel.