636 results about "Bark" patented technology

The invention provides a wood surface defect detection method, system, medium and equipment, and belongs to the technical field of wood surface defect detection. The method comprises the following steps: acquiring an eucalyptus veneer image, and preprocessing the eucalyptus veneer image; inputting the preprocessed image into a wood defect identification network, extracting a feature map of the image by using an anti-depth separable stem module, and performing feature aggregation to obtain a first feature map; extracting global features through a rectangular self-calibration module to form a second feature map, extracting key frequency components of the second feature map by using an adaptive frequency attention network module, and outputting a third feature map; inputting the third feature map into a frequency enhancement channel attention module to obtain a fourth feature map; and fusing the fourth feature map with the first feature map to obtain a fifth feature map, and outputting a final identified bark defect area through segmentation head prediction. The problems of poor network feature extraction effect and low semantic segmentation precision caused by bark defects in the wood defect detection process are solved.

An ecological landscape maintenance device, comprising a base (1), wherein two limiting sliding columns (4) are symmetrically and fixedly mounted on the upper surface of the base (1); a sliding plate (7) is slidably mounted on the outer surfaces of the two limiting sliding columns (4); and an annular frame (17) is fixedly mounted at one end of the sliding plate (7). Floating bark on the surface of a tree trunk can be removed through the rotation of brush wheels (19); and by means of the device, floating bark on the surface of a tree can be completely removed before the brushing of a whitewash.

The invention discloses a clamping jaw mechanism of an intelligent pomegranate tree sprout tillers removing device, and belongs to the technical field of agricultural machinery. The mechanism comprises a robot connecting rod, a base, a clamping jaw driving mechanism and a dynamic clamping mechanism. The dynamic clamping mechanism is composed of an elastic cloth belt and a rotatable rubber roller and is rapidly installed on a clamping jaw vertical rod through a lock catch, the elastic cloth belt can stretch out and draw back along with the diameter change of a trunk, the rubber roller rolls to be attached to the surface of the trunk, and bark is prevented from being damaged. The clamping jaw driving mechanism adopts a double-shaft-extension electric cylinder to drive clamping jaws to open and close, and precise clamping is achieved in cooperation with servo torque control. The clamping jaw solves the problems that a traditional clamping jaw is high in trunk damage risk, poor in adaptability and insufficient in terrain compatibility, has the advantages of being high in protectiveness, outstanding in dynamic adaptability, convenient and fast to maintain and the like, and meets the efficient automation requirement of pomegranate orchard sprout tillers removing operation.

The present invention discloses a barking and cutting mechanism for a kenaf harvester, comprising a mounting frame on which a barking mechanism, a barking mechanism, and a cutting mechanism are sequentially mounted. The barking mechanism cuts the bark of both sides of a kenaf stalk. After the kenaf stalk leaves the barking mechanism, it is taken over by the barking mechanism, which peels off the bark of the kenaf stalk. After the kenaf stalk leaves the barking mechanism, it is taken over by the cutting mechanism, which cuts the kenaf stalk into multiple segments. The present invention allows the kenaf stalk structure to be stably conveyed forward, thereby stably completing the bark cutting and peeling, and cutting the stalk into neat small segments, thereby facilitating subsequent collection and bundling.

A method for making a growing medium includes a step of combining tree bark and / or wood components together to form an initial composition; heating the initial composition to a temperature greater than about 149° C. under steam in a pressurized vessel; processing the initial composition through a refiner with a plurality of opposing disks to obtain the fibrous growing medium, the refiner separating fibers from each other; wherein the growing medium has total porosity of 88 volume % or more.

The invention discloses a tree species identification method based on a bark image and a lightweight deep learning model, and belongs to the crossing field of computer vision and forestry information technology, and the method comprises the steps: S1, collecting an image of a tree bark area; s2, preprocessing the collected data, and positioning and cutting a bark area based on an image segmentation technology; s3, using an improved lightweight deep learning model of a ConvNeXtV2 framework to carry out feature extraction on the preprocessed bark image; s4, after feature extraction is completed, features are integrated by using an adaptive feature fusion strategy, then tree species are classified, and a tree species identification result is output; s5, performing multi-dimensional verification and visual analysis on the model performance; according to the method, the calculation complexity is remarkably reduced, the generalization ability and stability of the model are kept, and reliable technical support is provided for practical application such as ecological monitoring, forest resource management and intelligent forestry.

The invention discloses a surrounding type self-adaptive moving electric control rubber tapping device which comprises a surrounding type assembly used for surrounding a rubber tree in the radial direction. A circumferential guide rail is arranged on the outer side of the surrounding type assembly; the self-adaptive rolling wheel assembly is arranged on the inner side of the surrounding type assembly and used for transversely or vertically moving the device; the fixed clamping jaw assembly is slidably arranged on the guide rail through a guide rail connecting piece and used for fixing the device to the rubber tree. The electric control rubber tapping knife assembly is installed on the surrounding type assembly and used for cutting the surface of the rubber tree. The laser positioning module is used for positioning the position of the device; the control module is used for controlling operation of the device. The device can adapt to rubber trunks of different sizes, a stable and uniform spiral rubber cutting path is formed on the surface of bark, and the latex collecting effect is improved.

The present invention provides a fermented liquid of Sequoia sempervirens stems, a preparation method thereof and an application thereof, which specifically comprise the following steps: (1) pulverize dry Sequoia sempervirens bark, add inulin, carbon source, nitrogen source, inorganic salts and water, and perform sterilization to obtain a dry Sequoia sempervirens bark culture medium; (2) inoculate Saccharomyces cerevisiae and Bacillus subtilis into the dry Sequoia sempervirens bark culture medium for fermentation, and then perform sterilization and centrifugation to obtain a fermented liquid of Sequoia sempervirens stems. Experimental tests show that the fermented liquid of Sequoia sempervirens stems prepared according to the method provided by the present invention has a high content of active ingredients and has various effects such as anti-inflammatory, soothing and anti-allergic, promoting wound healing, and anti-aging. The fermented liquid prepared by using the method provided by the present invention can be widely applied in the preparation of cosmetics with anti-aging, anti-allergic and repair effects.

The invention discloses a pruning auxiliary device for landscape landscaping, and relates to the technical field of landscaping pruning, the pruning auxiliary device comprises a moving mechanism, the top of the moving mechanism is fixedly provided with a pruning mechanism, and the top of the moving mechanism is fixedly provided with a crushing mechanism; the trimming mechanism comprises an electric turntable I; according to the device, a gear transmission system is driven by a motor, intelligent clamping of branches is achieved, metal microneedles are accurately inserted into the branches, the branches are effectively fixed, damage to barks due to shaking or sliding is reduced, meanwhile, scattering of the pruned branches is avoided, and by means of a pressure sensor and a distance measuring sensor after clamping, the device is convenient to use and high in practicability. The diameter of a branch can be detected in real time, the rotating speed and torque of the motor can be automatically adjusted according to data, the optimal matching state between a pruning knife and the branch in the pruning process is ensured through the self-adaptive adjusting capacity, the pruning efficiency and quality are improved, meanwhile, excessive abrasion of a cutter due to long-time high-load operation is avoided, and the service life of the pruning knife is prolonged. And the service life of the cutter is prolonged.

The invention relates to a traditional Chinese medicine composition for treating psoriasis as well as a preparation method and application thereof. The traditional Chinese medicine composition is prepared from the following raw materials: herba portulacae, radix sophorae flavescentis, cortex dictamni, honeysuckle flower, fructus kochiae, cortex phellodendri, cacumen biotae, radix paeoniae rubra and radix arnebiae seu lithospermi. The traditional Chinese medicine composition has the advantages of scientific and reasonable formula, synergistic interaction, few components and controllable quality. In the formula, the compatibility of monarch, minister, assistant and guide is scientific and reasonable, anti-inflammatory and immunoregulation compatibility of heat-clearing, blood-cooling and itching-relieving medicines can effectively remove pathogenesis and enhance the itching-relieving effect, the effects of anti-inflammatory, anti-proliferation and local vasoconstriction are achieved, the advantages of effect enhancement and toxicity reduction are achieved, and the risk of relapse can be reduced. Therefore, epithelial tissue repair is promoted, skin keratinization dynamic balance is maintained, relapse of psoriasis is effectively prevented, and pain of patients is reduced.

The utility model discloses a tree supporting device, which belongs to the technical field of tree supporting and comprises a tree main body and a supporting device main body, the tree supporting device is novel in design and ingenious, compared with the prior art, the tree supporting device in the technical scheme has higher stability and adjustment flexibility, rapid adjustment can be conducted according to trees of different sizes, continuous and stable supporting force is provided, friction force between the tree supporting device and barks is increased through a buffer pad, the contact area is increased through a double-iron-wire connection mode, and the tree supporting effect is improved. The long-term stability of the supporting device is enhanced, the service life of the device is remarkably prolonged, the device is made of high-strength materials so as to ensure the supporting effect of the device, the wind resistance of trees is enhanced by optimizing the fixing mode, the influence of the external environment on the trees is reduced, and the survival rate of the trees is increased. The device is convenient to store, carry and reuse, meets the requirements of tree species of different sizes, and greatly improves the practicability.

The invention discloses a tree windproof device for municipal gardens, which comprises a ring frame, external frames, butt joint rings and support rods, the external frames are fixedly connected to the outer side of the ring frame, and each external frame is nested with the butt joint ring. According to the tree windproof device for the municipal garden, a splicing frame drives a telescopic pipe on a buffer pipe to stretch out and draw back, a reset spring on the outer side of an inner pipe is compressed, impact generated by shaking of trees is reduced, the splicing frame is buffered through the buffer pipe, and the purpose of reducing damage to barks is achieved; when the tree shakes, the whole ring frame can be driven to shake, shaking generated by the ring frame is supported by the supporting rods, after the two supporting rods on the butt joint ring are combined with the supporting rods on the two sides of the butt joint ring respectively, the ring frame and all the supporting rods on the outer side form a whole, and then impact generated by wind power is reduced; the overall strength of the supporting rod during tree wind prevention is enhanced, and the wind prevention stability is improved.

The invention relates to the technical field of flower planting substrates, and discloses an orchid fertilization-free planting substrate based on nitrogen-fixing phosphate-solubilizing and potassium-solubilizing bacteria, which comprises sphagna, bark, vermiculite, charcoal, turfy soil, humic acid, seaweed oligosaccharide, nitrogen-fixing bacteria, phosphate-solubilizing bacteria and potassium-solubilizing bacteria. Wherein the nitrogen-fixing bacteria can provide nitrogen for the orchid, the phosphorus and potassium solubilizing bacteria can decompose phosphorus and potassium in charcoal and bark to provide nutrition for the orchid, the sphagna plays a role in moisturizing, the tree and vermiculite play a role in ventilation, and the humic acid and the seaweed oligosaccharide play a role in further promoting rooting and growth of flowers and plants and reproduction of beneficial microorganisms; the components in the fertilizer have a synergistic effect, the fertilization-free period is extremely long, essential elements for plants can still be efficiently provided under the condition of no fertilization, the orchid cultivation difficulty is reduced, flowering is promoted, plant diseases and insect pests are inhibited by adjusting the water-retaining property and the air permeability, and better flower growth and ornamental effects are achieved on the whole.

To provide a weed control base material capable of exerting stable weed control and radiation shielding functions over a long period of time, and a weed control method.SOLUTION: A weed control base material 1 is formed by kneading a base material 10 made of an inorganic porous material 11 and a plurality of plant materials 12 with a solidifying material 20, where the plant materials 11 include fibrous bodies made of a secondary crushed material of coniferous bark 11a. A weed control method includes the steps of: adding water W to the weed control base material 1 and kneading it to produce a mixed base material 1a; and laying the mixed base material 1a on a target base G and compacting it, or spraying the mixed base material 1a on the target base G.SELECTED DRAWING: None

The invention discloses a segregation method of bark suppository cells, and belongs to the technical field of plant cell segregation treatment. The isolation method of the bark suppository cells comprises the following steps: (1) cooking bark particles to remove impurities, so as to obtain impurity-removed suppository particles; (2) adding the impurity-removed suberect particles into a segregation reagent, and reacting for 40-60 minutes under the condition of 55-65 DEG C, so as to obtain segregated suberect cells; the segregation reagent is composed of a sodium hypochlorite solution with the mass concentration of 1%-10% and a hydrogen peroxide solution with the mass concentration of 0.5%-20%; (3) sequentially carrying out ultrasonic dispersion and freeze-drying treatment on the isolated suppository cells to obtain a suppository cell aggregate; and dispersing the suberect cell aggregate by using a weak polar reagent to obtain a complete single suberect cell. According to the method, the wooden suppository cells are separated through the synergistic oxidation effect of the sodium hypochlorite and the hydrogen peroxide solution, and efficient and complete separation of the wooden suppository cells in a short time is achieved.

The invention belongs to the field of new materials for daily use, and discloses an acne-removing composition, application and an acne-removing product, and the acne-removing composition comprises the following components by weight: 0.1-10 parts of a pseudo-ginseng extract; 0.1 to 10 parts of clausena lansium bark extract; 0.5 to 15 parts of radix sophorae flavescentis extract; and 0.1-10 parts of a lotus seed extract. According to the composition, the pseudo-ginseng extract, the clausena lansium bark extract, the radix sophorae flavescentis extract and the lotus seed extract are combined, and the mild and rapid acne removing effect is achieved.

The utility model discloses tree transplanting auxiliary equipment for landscaping, which relates to the technical field of tree transplanting auxiliary equipment for landscaping and comprises a transfer trolley, a handle is arranged at the upper end of the transfer trolley, a placing groove is arranged in the transfer trolley, and a protective box is arranged at the lower end of the placing groove. A plurality of sets of air holes are formed in the outer wall of the protection box, two sets of universal wheels are symmetrically arranged on the front side and the rear side of the transfer trolley, two sets of second fixing rings are arranged at the upper end of a containing groove, second connecting lug plates are arranged on one sides of the second fixing rings, and first hollow pipes are arranged at the upper ends of the second connecting lug plates. According to the tree transplanting auxiliary equipment for landscaping, trees with different diameters can be fixed, meanwhile, the distance between the two sets of fixing devices can be adjusted according to the lengths of tree trunks, so that the equipment is suitable for trees with different growth vigor, and scratches to barks are reduced through flexible contact between silica gel pads and the barks.

The invention discloses intelligent peeling and harvesting equipment for agricultural trees. The intelligent peeling and harvesting equipment comprises a walking trolley, a mechanical arm, an annular clamp fixing part, an annular longitudinal cutting part and an annular peeling part. The annular and longitudinal cutting component is a key component used for achieving annular cutting and longitudinal cutting, an annular cutter groove is cut in the surface of the bark in an annular cutting mode, after annular cutting is finished, a plurality of vertical cutter grooves are cut in the surface of the bark in a longitudinal cutting mode to be used for splitting the bark, and finally the annular peeling component is used for peeling. The barks directly fall off in a strip section mode. The problem that barks are difficult to harvest is solved, the peeling method based on the embedded blade is provided, the mechanical arm is used for carrying the ring clamp fixing part, the ring longitudinal cutting part and the ring peeling part, ring cutting and vertical cutting are used for assisting the peeling blade to be effectively embedded into the barks, peeling is carried out along the ring cutting and vertical cutting tracks, and the peeling efficiency is improved. And the harvesting efficiency and quality are greatly improved.

The invention discloses a cleaning system and a cleaning method for oak barks, relates to the technical field of bark cleaning, and solves the problem that a traditional cleaning mode cannot effectively and fully clean sunken point positions on the surfaces of the barks. The method comprises the following steps of: selecting an edge contour, gradually confirming a corresponding associated area on the basis of the corresponding edge contour towards an inner ring, taking each associated area as a group of cleaning areas, fully covering the surface of the whole bark by the cleaning areas, and sequentially confirming associated line segments of the corresponding associated areas on the surface of the bark, according to the method, gradient changes between adjacent point locations are determined based on gradient features associated with different point locations in corresponding connection segments, numerical value confirmation is carried out based on specific gradient change conditions so as to lock the lowest pixel point, association determination of a cleaning route is carried out based on position features of a plurality of pixel points, and the cleaning route is determined based on the position features of the plurality of pixel points. Therefore, the overall cleaning effect of the surface of the corresponding bark is guaranteed.

The present invention provides a method for constructing a high-performance liquid chromatography characteristic spectrum of Chuantong bark medicinal materials, decoction pieces, standard decoctions, intermediates, and their formulated granules. The present invention constructs a high-performance liquid chromatography characteristic spectrum detection method for Chuantong bark (Cassia truncatula), confirms nine characteristic peaks, specifies their relative retention times, establishes a control characteristic spectrum, fully demonstrates the chemical composition characteristics of Chuantong bark, and comprehensively reflects the quality information of Chuantong bark, thereby achieving comprehensive and effective quality control of Chuantong bark medicinal materials, decoction pieces, and related preparations.

The invention relates to the technical field of cork paper processing, in particular to a bark crushing device for cork paper production and processing. The device comprises a shell and a rotating roller, and the upper end and the lower end of the shell are communicated; two transverse rotating shafts rotationally penetrate through the two opposite ends of the shell, one ends of the two rotating shafts are provided with transmission gears for meshing the two rotating shafts, and one end of one rotating shaft is connected with a motor installed on the side wall of the shell; the rotating rollers are fixedly arranged on the outer ring of the rotating shaft in a sleeving manner in an opposite manner; according to the bark crushing device for cork paper production and processing, the two extrusion blocks capable of relatively moving are arranged at the bottom of the rotating roller, after bark fragments are stacked for a period of time, extrusion and drainage operation can be conducted on the bark fragments through power of the crushing device, and therefore rapid extrusion after bark crushing is achieved.

The invention discloses an intelligent cut-log punching, inoculating and stacking all-in-one machine, and relates to the field of agricultural machinery, the intelligent cut-log punching, inoculating and stacking all-in-one machine comprises a punching device, an inoculating device and a stacking device which are mounted above a cut-log conveying device, and further comprises a bark cover conveying device used for conveying bark covers obtained by the punching device to the inoculating device; the punching device comprises a punching assembly used for obtaining bark covers and a drilling assembly used for forming inoculation holes, the punching assembly is installed on a telescopic assembly, and the telescopic assembly is used for switching the lower end of the punching device between the cut-log conveying device and the bark cover conveying device; the problems that in an existing cut-log cultivation method, inoculation hole capping operation is tedious, large-batch operation cannot be achieved, and meanwhile time and labor are consumed during manufacturing of a large number of bark covers are solved.

The invention relates to bark-like nano-zinc oxide and a preparation method thereof, and belongs to the technical field of liquid-phase synthesis of nano-zinc oxide. According to the invention, the nano zinc oxide material with bark-like microstructure is prepared by regulating and controlling the liquid phase environment and the thermodynamic and kinetic parameters of the reaction. The material has obvious layering sense and pore characteristics, the material is endowed with significantly enhanced physicochemical characteristics, for example, the BET specific surface area is significantly increased, and meanwhile, the high porosity and the nanocrystal boundary effect have a synergistic effect, so that active oxygen species and zinc ion antibacterial active species can be efficiently generated, and the antibacterial performance of the material is significantly improved. An antibacterial experiment shows that the antibacterial rate of the material to escherichia coli and staphylococcus aureus exceeds 99.9%, and the antibacterial rate of the material to candida albicans exceeds 99.0%. The material has application potential in the fields of medical dressings, antibacterial textiles, water purification and the like.

The present invention provides a Chinese medicine composition for treating IgA nephropathy and a preparation method thereof, and belongs to the technical field of Chinese medicine compositions. The Chinese medicine composition of the present invention comprises raw rehmannia, astragalus, caesalpinia, codonopsis, radix rehmanniae, ophiopogon, plantago, tuckahoe, scutellaria, umbellate, motherwort, bupleurum, oldenlandia diffusa, scutellaria barbata, caulis scabra, radix scutellariae, radix scutellariae, radix licorice. The present invention also provides a preparation method of the Chinese medicine composition, comprising: weighing the raw materials according to the raw material ratio, decocting with water, and filtering to obtain a medicinal liquid. The composition provided by the present invention has a mild medicinal property, clears the heart fire, replenishes qi and yin, has no toxic side effects, can effectively reduce hematuria, proteinuria and adverse drug reactions, and is used for the treatment of chronic glomerulonephritis (IgA nephropathy).

The invention relates to a natural rubber tree detection device and detection method based on a hyperspectral technology. The device comprises a walking chassis, a mechanical arm, an imaging spectrometer, a visual camera, a portable supporting holder, a laser scanning system, a data acquisition system, a data transmission module, a data processing module and a power supply system. Spectral reflection data of different layers of the bark of the rubber tree are obtained by utilizing an imaging spectrometer, efficient sampling is realized by combining laser scanning, and the data are sent to an analysis terminal through wireless transmission. Through a built-in data processing module, a spectrum separation and feature extraction technology is adopted, and a machine learning model is combined to realize prediction of bark health conditions, tree ages and plant diseases and insect pests. The device has the characteristics of portability, non-destructiveness, high efficiency and intelligence, and is suitable for tree health management and precision agricultural monitoring in natural rubber parks.

The utility model discloses short bark sorting equipment, which is characterized in that a sorting roller is arranged below the lower edge of the blanking end of a feeding belt, the lower edge of the blanking end and the sorting roller form a wind-dispelling bark sorting gap, and an air duct blows air towards the lower edge of the blanking end, so that barks are bent into the wind-dispelling bark sorting gap when falling off the upper edge of the blanking end; the feeding end of the wood discharging roller row receives the short wood falling from the discharging end, and the sorting roller is further suitable for the short wood at the feeding end to abut against. Compared with the prior art, the barks, the short wood and the gravels are fully separated, the pure barks are placed in the boiler and feeding equipment of the boiler, the damage risk of the boiler and the feeding equipment is reduced, the short wood is sorted, raw materials are fully utilized, waste is avoided, the situation that the stones are accumulated on the boiler is avoided, and insufficient combustion of the boiler is avoided.

The invention provides a composition for improving the permeation effect of a Campania maculata bark extract as well as a preparation method and application of the composition, and relates to the technical field of cosmetics. The invention provides an anti-aging composition for improving the permeation effect of a Campandra maculata bark extract. The anti-aging composition comprises recombinant human III type collagen, the Campandra maculata bark extract, an annona squamosa fruit extract, a Flos Magnoliae extract and a film-forming agent, the film-forming agent is composed of rhamnose and a trimethyl pentanediol / adipic acid / glycerol cross-linked polymer. The combination of the recombinant human III type collagen and the film-forming agent can strengthen hydration of cuticle, optimize the controlled release efficiency of active ingredients and broaden the permeation path, thereby forming an efficient permeation network from the skin surface to the deep layer. The combination of the Campandra mollissima bark extract, the Annona mollissima fruit extract and the Flos Magnoliae extract can construct a multi-dimensional antioxidant network, activate longevity proteins to resist saccharification and DNA damage, and comprehensively delay skin aging.

The utility model relates to the technical field of tree protection, and discloses a natural reserve endangered tree protection device which comprises two bearing bases capable of being assembled together, supporting clamping plates are arranged on the opposite sides of the two bearing bases, and the two supporting clamping plates are used for clamping the two sides of the bottom of a tree branch. A buffering supporting component is arranged between the supporting clamping plate and the bearing base. According to the utility model, through the arrangement of the two bearing bases, the bearing support clamping plate can be used for carrying out elastic buffer clamping in cooperation with the buffer support component, a tree trunk is not easy to clamp, so that bark is not easy to damage and wear during long-term growth of tree branches, the arc-shaped insect-proof base and the arc-shaped insect-proof top base are assembled at the tops of the bearing bases, and the whole body is in an arc-shaped trumpet shape; meanwhile, an auxiliary insect blocking plate is matched, the insect prevention effect is improved, the device has the good anti-collision and anti-inclination correction protection effect on the root of a trunk, meanwhile, the larva climbing prevention capacity is good, and the tree protection capacity is high.

The invention belongs to the technical field of medicines, and particularly relates to application of 1, 2, 3, 4, 6-pentagalloylglucose (PGG) in inhibition of peptidyl arginine deiminase (PAD4). The invention relates to an application of PGG in preparation of a medicine for inhibiting PAD4 in a subject or a biological sample. Experiments show that the moutan bark extract has a definite inhibiting effect on PAD4, and it is confirmed that moutan bark is a traditional Chinese medicine which is hopeful to screen out a natural PAD4 inhibitor. The PGG in the tree peony bark extract is confirmed to be a natural compound with a strong inhibition effect on PAD4 by analyzing bioactive components in the tree peony bark extract, and the PGG can provide support for developing a PDA4 inhibitor and preparing a medicine for treating PAD4-mediated diseases, obstacles or symptoms, and has very important significance.

The invention relates to the technical field of tree monitoring equipment, and discloses a fruit tree radial growth observation instrument and a using method thereof.The fruit tree radial growth observation instrument comprises a measuring rope and a hoop mechanism, the hoop mechanism is attached to a tree, the measuring rope is arranged on the hoop mechanism and is in sliding fit with the hoop mechanism, and the measuring rope is arranged on the hoop mechanism; the measuring rope is in contact with the outer wall of the tree and horizontally surrounds the outer side of the tree. The radial direction of the tree is monitored and measured through cooperation of the hoop mechanism and the measuring rope, self-adaptive adjustment can be carried out according to tree bark falling of the tree, and monitoring is more accurate.