58 results about "Felling" patented technology

The utility model discloses a fan blade ultrathin and deformation resistant material structure which comprises a fan blade plate, the fan blade plate comprises a first wood layer plate, a second wood layer plate, a wood middle layer plate, a third wood layer plate and a fourth wood layer plate, the wood middle layer plate is connected between the second wood layer plate and the third wood layer plate, and the fourth wood layer plate is connected between the second wood layer plate and the third wood layer plate. Therefore, the first wood layer plate, the second wood layer plate, the wood middle layer plate, the third wood layer plate and the fourth wood layer plate are sequentially connected to form the fan blade plate. According to the fan blade, the strength of the fan blade plate is enhanced through the combination mode of the multiple layers of wood of the ultra-thin and anti-deformation material structure, the situation that the fan blade is deformed or broken due to weather or other external force is avoided, and therefore the stability of the fan is improved, wind resistance is reduced, the rotating efficiency of the fan blade is improved, and meanwhile the wood cutting amount is reduced by more than 30%. At present, a new structure with the thickness of about 4.2 mm can replace an old structure with the thickness of 5.4 mm. The new structure with the thickness of about 5.4 mm can replace the old structure with the thickness of 7.2 mm.

The invention relates to a device and a method for felling a tree, comprising movable gripping arms (22, 24) for grasping a tree trunk (4) and at least one felling tool (42) for acting on the tree trunk (4). According to the invention, two rear gripping arms (24) and two front gripping arms (22) arranged opposite the rear gripping arms (24) are provided and arranged and movable in such a way that the rear gripping arms (24) and the front gripping arms (22) act against each other with respect to an axis of the tree trunk (4) and can align the tree trunk (4) in a position in which the at least one felling tool (42) can make a felling cut at the intended depth relative to the diameter of the tree trunk (4), with which the tree trunk (4) is separated from the root to such an extent that a hinge remains.The invention also relates to a vehicle comprising a movable crane boom with which a device for felling a tree can be carried in a pendulum-like manner and positioned on a tree trunk.

This invention provides a method, system, and storage medium for calculating the tree felling range of a high-voltage overhead transmission line's diversion line. This method can more accurately adapt to the spatial morphology of the diversion line, integrate a digital elevation model to achieve terrain-adaptive clearance calculation, and take into account both the natural growth height of trees and the safety verification of tree fall. It relates to the field of power transmission technology. The calculation method includes: obtaining relevant basic parameters of the current diversion line in the overhead transmission line for calculating the tree felling range; constructing a three-dimensional spatial model of the current diversion line and generating discrete point cloud data of the current diversion line; calculating the spatial coordinates of the treetop at each sampling point; generating square cells centered on each sampling point to be felled and with the sampling interval as the side length; merging adjacent or overlapping cells to form a continuous felling area surface to obtain the current tree felling range of the diversion line.

The present application aims at the problem that the Sentinel-1 backscattering data is significantly short-term time autocorrelated due to the influence of rainfall, soil moisture and surface water content change, and further leads to the high false alarm rate of traditional difference cumulative sum and deforestation detection method, discloses a kind of fast-growing forest deforestation detection method and device considering Sentinel-1 time correlation, and proposes an improved difference cumulative sum detection method by fusing sliding time window and random block resampling significance test, which calculates local difference cumulative sum curve using sliding time window, and extracts candidate change points based on maximum value;To overcome the statistical test bias caused by time correlation, a random block resampling strategy is innovatively introduced to retain the local dependence structure of time series, and an extreme difference null hypothesis distribution is constructed for significance test.The present application effectively improves the precision and robustness of short-period fast-growing forest deforestation event automatic identification in large-scale, long-time series monitoring scenarios.

The application provides a felling head clamping and conveying device, which comprises a rack, a power assembly, an auxiliary wheel assembly, a clamping assembly and a transmission detection assembly. The rack is V-shaped in structure. The power assembly is embeddedly installed in the rack. The power assembly comprises a protective casing and a driving roller. The auxiliary wheel assembly comprises a connecting plate and an auxiliary roller. The connecting plate is fixedly connected to the rack. The clamping assembly comprises a connecting shaft, a first connecting arm, a second connecting arm and a connecting swing arm. The transmission detection assembly is used for assisting in detecting the displacement of wood during the movement of the wood relative to the device. The felling head clamping and conveying device adopts a support to support various components, and the structure is reliable. The power assembly, the auxiliary wheel assembly and the clamping assembly form a clamping mechanism, which can quickly and stably clamp the wood. Meanwhile, the transmission detection assembly can reliably and real-timely detect and feed back when the clamping position of the moving wood is adjusted. The device can accurately clamp the wood, so that the felling head can be used to efficiently perform felling work.

The invention relates to a system comprising: - a guide rail (2) arranged around a tower (1) and secured to same with removable means; - cutting means (6) running along the guide rail (2) and comprising means for spraying a fuel mix and a spark igniter (9); - a motor (10) for moving the cutting means along the guide rail (2); - means for the assisted pulling of the column or tower in order to direct the fall; - means for remotely viewing the cutting process; - a remote control centre (23). Owing to the aforementioned features, the associated risks, complexity of permits and work and high costs are all reduced.

The invention discloses a fast-growing forest felling detection method and a fast-growing forest felling detection device taking sentinel No.1 time sequence autocorrelation into account, aiming at the problem that the false alarm rate of a traditional difference value accumulation and felling detection method is relatively high due to the fact that sentinel No.1 back scattering data generates obvious short-term time autocorrelation due to the influence of rainfall, soil moisture and surface moisture content change, and discloses the fast-growing forest felling detection method and the fast-growing forest felling detection device taking sentinel No.1 time sequence autocorrelation into account. An improved difference cumulative sum detection method fusing a sliding time window and a random block resampling significance test is provided, the method uses the sliding time window to calculate a local difference cumulative sum curve, and candidate change points are extracted based on a maximum value; in order to overcome statistical test bias errors caused by time sequence self-correlation, a random block resampling strategy retaining a time sequence local dependence structure is innovatively introduced, and range zero hypothesis distribution for significance test is constructed. According to the method, the precision and robustness of automatic identification of short-period fast-growing forest felling events in a large-range and long-time-sequence monitoring scene are effectively improved.

The application provides a method for planting white mushroom on Smith pine stumps, and relates to the technical field of artificial planting of white mushroom. The method for planting white mushroom on Smith pine stumps comprises the following steps: sterilizing old stumps / new stumps after felling of Smith pine by using a blowtorch, pouring a water solution of extract of salt water of drunken fish grass, and inoculating liquid spawn of white mushroom after air-drying, wherein the liquid spawn of white mushroom is obtained by using a mixture of almond paste, extract of salt water of drunken fish grass and potato liquid medium as a culture medium. The application overcomes the shortcomings of the prior art, effectively promotes the growth of white mushroom on the stumps by sterilizing the stumps and using the nutrient agent, adjusts the culture medium components of the white mushroom, increases the yield, and improves the economic benefits.

The utility model discloses a kind of switching mechanism for switching chain saw sawing mode, including chain saw main body, operating handle assembly movably installed on chain saw main body, rotating structure and self-locking structure are equipped on the operating handle assembly and chain saw main body, operating handle assembly can be rotated on chain saw main body by rotating structure, self-locking structure can be self-locked fixed to operating handle assembly, so that operating handle assembly is fixed angle of rotation. The utility model is set by operating handle assembly, cooperate with rotating structure, so that rotating handle can be rotated on chain saw main body and fixed in specified position by self-locking structure, so that the relative change of operating handle assembly position of chain saw and chain saw main body occurs, so that the relative position of saw chain in chain saw and operator is changed, so that entire operator can keep same holding posture to complete logging process, reduce the complexity of operator felling, reduce operation difficulty, and improve work efficiency, reduce security risk.

The invention discloses a cedarwood forest-oriented periodic tending scheduling method, device and equipment and a storage medium, and relates to the technical field of intelligent forestry driven by artificial intelligence, and the method comprises the steps: optimizing a preset initial tending period through a tending period adjustment model based on LSTM training, and obtaining a target tending period; when the period is started, collecting multi-mode cedarwood forest data, and preprocessing the multi-mode cedarwood forest data to form target data; inputting the target data into a cunninghamia lanceolata forest growth prediction model constructed by CNN and PointNet, and outputting a breast diameter growth prediction value, a species richness prediction value and a tending standard reaching probability; and an equipment control strategy is generated, and intelligent felling equipment, an automatic replanting device or mechanical brush cutting equipment is scheduled to execute tending operation. According to the method, closed-loop scheduling from period setting, state sensing and intelligent decision making to automatic execution is realized, and periodic intelligent tending scheduling can be realized on the premise of avoiding excessive interference on the Chinese fir forest.

1. The name of the design product: electric chain saw (1). 2. The use of the design product: the design product is used in forest felling, wood processing, construction, outdoor gardening, furniture making and forest fire cleaning, etc. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention relates to a device and a method for harvesting timber using a hydraulically controlled felling head (1) which comprises a gripper and saw unit, wherein the gripper and saw unit has two pivotable gripper arms (4) for harvested material (2) and a cutting element (6) for separating the harvested material (2), wherein the gripper arms (4) can be pivoted into an open state by applying pressure to a first hydraulic line (12a), and the gripper arms (4) can be pivoted into a closed state by applying pressure to a second hydraulic line (12b). According to the invention, the felling head (1) is provided with an opening width sensor (19), and a pressure sensor (15) is arranged in the second hydraulic line (12b), wherein the opening width sensor (19) and the pressure sensor (15) are connected to a controller (13) which is designed to detect a closed state by the pressure (p) measured by the pressure sensor (15) exceeding a predetermined lower limit value (Gp) and to generate a warning signal when a predetermined upper limit value (GW) of the opening width (W) is simultaneously detected in the closed state.

The present invention belongs to the technical field of insect collection. Disclosed is a method for collecting snake flies. Provided in the present invention is a method for collecting snake flies, comprising the following steps: (1) felling trees infected with pine nematode disease, and segmenting trunks by 1.2-1.5 m; (2) placing the wood segments in an outdoor collection device; and (3) after the eclosion of the snake flies, collecting and feeding same to observe the biological habits thereof. The collection device is of a box body structure consisting of a plurality of separated sub-boxes, each sub-box being provided with a label and air holes on the top surface and provided with a gauze therein. The insect collection method provided by the present invention is easy to popularize, and provides a more reliable and accurate collection means for insect researchers, thereby further playing a positive role in promoting rapid and healthy development of insect collection and research in our country.

This application provides a method, apparatus, electronic device, and storage medium for detecting deforestation in forest areas, relating to the field of artificial intelligence technology, to solve the problems of poor real-time performance and high detection costs in forest deforestation detection. The forest deforestation detection method includes: upon detecting the presence of a first feature in a first forest area image, detecting the presence of a second feature in a second forest area image. The first forest area image is acquired by a detection device installed on an outdoor tower. The second forest area image includes all or some features of the first forest area image, and includes the first feature, which is a feature matching the features of deforestation equipment, and the second feature is a feature matching the features of tree felling. If the second forest area image contains the second feature, it is determined that deforestation has occurred in the forest area corresponding to the second forest area image.

The subject of the invention is a low-speed mobile shredder used to shred various types of materials, such as municipal and construction waste, pallets, rubble, tree felling remains, roots, extra-large materials, etc. The low-speed mobile shredder with a frame set on a base with a crawler drive system, with a belt conveyor (10), containing a service chamber (1) with a chute (12), at least one shaft (2) with embedded blades (3), and a chute duct (9) between a wall (5) of the service chamber (1) and a drive gear (8) mounted on connecting plates (11), is characterised in that the waste scraper (7), which is located upstream of the coupling (4), is embedded using a shaped connection on the shaft (2) of every drive gear (8), connected to the coupling (4) located in an opening (6) of the wall (5) of the service chamber (1). The waste scraper (7) has the form of a thin-wall element with centrally a positioned mounting hole (7B) and several scraper arms (7A) arranged in a concentric manner, which are bent at an angle a of 90° to 180°. The scraper arms (7A) of the waste scraper (7) are directed at the side wall (5) of the service chamber (1).

The present application belongs to the poplar plantation technical field, and particularly relates to a poplar plantation structure optimization and sustainable management method and system. The method comprises the following steps: S1, constructing a growth model of poplar, and dividing the poplar into three stages of a juvenile stage, a middle-aged stage and a near-mature stage according to the growth model; S2, collecting site factor data; S3, dividing the research area into multiple site grade areas, and configuring differentiated growth parameters, rotation periods and felling intensities for the site grade areas; S4, building a multi-objective linear programming model, and the objective function covers maximization of total wood yield, minimization of management cost and maximization of ecological benefit; S5, linearly fitting the juvenile stage, the middle-aged stage and the near-mature stage to obtain the corresponding linear equations of the stages, embedding the linear equations of S2 into the multi-objective linear programming model as constraint conditions, and clearly defining the forest age range of each stage; and S6, solving the multi-objective linear programming model to obtain optimal felling area, rotation period and felling intensity parameters.

This application discloses a logging device, which includes a frame, a clamping mechanism, and a felling mechanism. The clamping mechanism is connected to the frame and includes an airbag and pneumatic components. The pneumatic components are used to supply or deflate the airbag, which is used to clamp the target to be felled when inflated. The felling mechanism is connected to the frame and is used to fell the target. This application uses an airbag to clamp the target when inflated, improving the stability of the target during the felling process and reducing the risk of unstable felling position due to failure to hold the target firmly.

The utility model provides a log felling device, which relates to the technical field of log felling, and comprises a protective shell, the top surface and the bottom surface of the interior of the protective shell are both provided with annular limiting grooves, the bottom of the protective shell is provided with a butt joint groove penetrating into the interior, and the interior of the butt joint groove is rotatably provided with a butt joint turntable. One side of the protective shell is provided with the crescent opening, and one side of the cutting disc extends into the crescent opening, so that chippings generated during cutting of the cutting disc can be prevented from splashing to the outer side under the blocking of wrapping shapes on the two sides of the crescent opening, and meanwhile, in actual use, the chippings are prevented from splashing to the outer side. The rigidity of a material used by the cross-shaped transmission shaft is smaller than that of a material used by the cross-shaped clamping sleeve, so that when large inertia force impact is generated in the cutting process of the cutting disc, the cross-shaped transmission shaft is damaged prior to the cross-shaped clamping sleeve, power transmission is isolated, meanwhile, the cross-shaped transmission shaft is convenient to replace after being damaged, and follow-up maintenance is facilitated.

The invention relates to the technical field of ecological environmental protection, and discloses an artificial kandelia candel forest ecological system carbon sequestration and sink increase method, which comprises two core modules, namely an accurate monitoring system construction module and a vegetation and soil collaborative cultivation module. According to the precise monitoring system, precise recognition of the ecological state of the artificial kandelia candel forest is achieved through tide cooperation flight planning, multi-index conjoint analysis and masking and radiometric calibration and standardization, vegetation and soil cooperation cultivation is directionally optimized based on the monitoring result, and finally the carbon sequestration and sink increasing capacity is improved. According to the method, the low-tide-level illumination stable time period is locked through tide cooperative flight planning, the vegetation index is adjusted in combination with an NDWI water body mask and MSAVI soil, and water surface reflection and silt background interference are thoroughly eliminated; according to the method, ground felling or close-range plant contact is not needed, and the damage of traditional investigation to the ecological structure of the kandelia candel forest is avoided through long-distance non-contact monitoring of the multispectral unmanned aerial vehicle.

A method for controlling a forest work machine and a forest work machine. The forest work machine comprises a boom and, at the end of the boom, a wood processing device suitable for at least felling of trees, a control system and at least one locator device for locating the forest work machine in its work environment. In the method, the travel of the forest work machine in its work environment is controlled for felling trees, the position of the forest work machine is located during the travel of the forest work machine, position information describing the located positions of the forest work machine are stored to the control system of the forest work machine, whereby a piece of position information describing each located position of the forest work machine forms a point in a set of points formed by the pieces of position information describing the located positions, a straight line is arranged to a limited set of points describing the located positions of the forest work machine to describe a route travelled by the forest work machine in its work environment, at least one visual guidance is produced to the display unit of the forest work machine to guide the turning of the forest work machine onto a route which is at a predetermined distance from, substantially parallel with and travelled substantially in the opposite direction from the route travelled by the forest work machine related to said straight line, and the forest work machine is controlled to turn onto said route which is travelled substantially in the opposite direction.

The invention is an arrangement for lubrication adapted for use on a harvester head (14) with a forestry vehicle (10), comprising a saw unit having a movable saw blade (46) and a lubrication pump (74), the pump (74) having a fixed outlet diameter, the lubrication pump (74) adapted to supply lubrication proportional to a movement angle of the saw bar (78), so that lubrication is supplied when the saw bar (78) is moving outwards, the arrangement further comprising a control valve (70) in a lubrication supply line (72) between the lubrication pump outlet and the saw bar (78), the control valve (70) adapted to be controlled by an operator from a control surface (18) on the forestry vehicle (10).

Device for timber harvesting having a felling head which includes a gripper and saw unit and a tilting device. The gripper and saw unit have gripper arms which can be actuated by a first hydraulic cylinder and a cutting element which can be pivoted out by a second hydraulic cylinder, and can be pivoted from a depositing position into a cutting position for the harvested material with the aid of the tilting device, which can be actuated by a third hydraulic cylinder. The first hydraulic cylinder is connected to a first hydraulic line for opening the gripper arms and to a second hydraulic line for closing the gripper arms. The tilting device can be pivoted from its cutting position into its depositing position by pressurizing the second hydraulic line in a pressure range in which the cutting element remains in an inactive state.

The utility model discloses a portable felling device which comprises a base, a driving device, a rocker arm and a saw blade. One end of the rocker arm is a rotating end, the rocker arm is movably connected with the base through a second shaft, and the rocker arm can swing back and forth around the axis of the second shaft in the plane direction perpendicular to the axis; the other end of the rocker arm is a swing end and is movably connected with a driving device, and the driving device is mounted on the base and can drive the swing end to swing back and forth; saw teeth are arranged at the front end of the saw blade, and the rear end of the saw blade is installed at the rotating end of the rocker arm. When the driving device drives the swinging end of the rocker arm to swing back and forth, the rotating end of the rocker arm rotates back and forth so as to drive the front end of the saw blade to swing back and forth. According to the utility model, trees or bamboos are cut by driving the saw blade to swing back and forth, so that the felling efficiency can be obviously improved, the labor intensity is reduced, and the operation convenience and safety are enhanced.

The article of the present design is a tree felling tool primarily used in tree felling operations under or near power lines. The article is attached to a control rod (e.g., an electrically insulating control rod). The article includes a tip having a U-shaped portion and a sickle-shaped portion, and a control rod attachment. The control rod attachment can be attached to the tip of the control rod. A single blade is formed on the inside of each of the U-shaped and sickle-shaped portions. When felling trees using a saw or other tool, the worker can hold the tree and push it in any direction by contacting the inside of the U-shaped portion of the article attached to the control rod with the trunk or branch of the tree to be felled and digging the single blade into the tree. This prevents the tree from swaying during felling and also controls the direction of the tree's fall. In addition, the single blade formed on the inside of the sickle-shaped part of this item attached to the operating rod can be brought into contact with the object to be cut, such as thin branches of the tree to be felled and surrounding trees, or vines located around the tree to be felled, and the operating rod can be pulled toward you to pull and remove the object to be cut.

The invention relates to the technical field of agriculture and forestry product supply chain management, and discloses a bamboo raw material traceability and production and marketing cooperation method and system based on a block chain, and the method comprises the steps: collecting the multi-dimensional data of a bamboo growth environment, and carrying out the preprocessing; establishing a bamboo individual file and verifying the credibility of file data; quality grade prediction and confidence evaluation are carried out; felling operation is carried out, felling live data are collected, and quality detection is carried out on the felling live data; carrying out production and marketing matching, and intelligently recommending and generating a parameterized order contract based on a matching result; the logistics process is monitored in real time, and abnormity early warning and uplink are executed through an intelligent contract; carrying out delivery quality acceptance and automatic settlement; multi-dimensional reputation evaluation and supply and demand trend prediction are carried out; according to the invention, a parameterized intelligent contract generation mechanism is designed, flexible configuration of a differential pricing function is supported, and full-process intelligent management is realized.

The application discloses a kind of difficult stand beach intertidal alien mangrove plant Laganum community transformation method, belong to mangrove planting technical field;Steps include: S1, mangrove present situation investigation;S2, beach protection repair measure;S3, Laganum pruning or felling;S4, plant mangrove forest;S5, management and protection;S6, effect evaluation;The method can be grown to Laganum community renewal reconstruction in seawater scouring area, avoid reconstruction failure risk, compared with other conventional methods reconstruction repair early canopy forestation;After taking beach protection measure, the beach of repair area is stable, avoid being lost by tidal scouring and leading to sediment;Use old fishing net to protect, avoid that marine litter enters repair area;Use small block to level, keep original Laganum root system, there are few biologicals in woodland in early reconstruction period, such as crab, reduce the interference and damage to new planting seedling, guarantee mangrove seedling survival rate;Using seedling planting that is cultivated under the condition of high salinity environment, seedling resistance is strong, recovery growth speed is fast, survival rate is high.

The application relates to a felling mechanism and belongs to the tree pruning field, which comprises a working frame and a turnover frame, the turnover frame is hinged to the front end of the working frame through a hinge shaft A; a turnover cylinder is connected with the turnover frame and the working frame respectively and is used for driving the turnover frame to rotate around the hinge shaft A; a swing rotary seat is hinged to the front end of the turnover frame through a hinge shaft B, the hinge shaft B is perpendicular to the hinge shaft A; a swing cylinder is connected with the swing rotary seat and the turnover frame respectively and is used for driving the swing rotary seat to rotate around the hinge shaft B; a support frame is connected to the front end of the swing rotary seat through a rotary bearing, and the support frame is used for carrying a grabbing mechanism and a sawing mechanism; the application can realize one-dimensional rotation adjustment, and the angle adjustment is more flexible and changeable.

Improving the efficiency of human or machine reading and recognizing graphics, images, text, symbols, spaces, or objects is a very important issue. For example, fast reading can help people get information quickly. The invention achieves one or more of the following objectives by means of graphics, images, text, symbols, spaces or objects arranged in different arrangements: reducing the speed, frequency, amplitude, distance of eye movement, improving the efficiency of visual recognition, achieving rapid reading, improving the utilization rate of paper and display device, reducing the use of paper, reducing the felling of trees, and protecting the environment.

The invention discloses a forest tree branch removing device, and belongs to the technical field of forestry felling, the forest tree branch removing device comprises a conveying mechanism and a rack, the conveying mechanism comprises a second driving assembly, a rotating assembly and a roller assembly, the roller assembly is arranged on the rack, the roller assembly is located on the peripheral side of a preset path so as to be in contact with a forest tree, the rotating assembly drives the roller assembly to rotate, and the rotating assembly drives the conveying mechanism to rotate. The second driving assembly is connected with the roller assembly and used for driving the roller assembly to be close to or away from the preset path; the clamping and holding mechanism comprises a first driving assembly and a clamping assembly, the first driving assembly is connected with the clamping assembly to drive the clamping assembly to be opened and closed, the clamping assembly is arranged on the rack, the clamping assembly is located on the peripheral side of the preset path and used for clamping the forest tree, and a cutting part is arranged on the clamping assembly and used for making contact with the forest tree. The branch removing efficiency can be improved.

The invention discloses an on-site forest cutting sign investigation device and system, and relates to the technical field of forestry investigation. The device comprises a processor, a display screen, a touch control module, a positioning module, a camera and an external laser range finder, the touch module is integrated in the display screen; the display screen displays a map; selecting one from a plurality of valve block vector acquisition modes through a touch control module; when a GPS point is selected for drawing, the portable mobile terminal is made to move along the boundary of the valve block, the positioning module obtains positioning data in real time, and meanwhile the camera shoots a field image of the valve block; the processor displays the real-time positioning data on a map to form a valve block vector surface; an external laser range finder is used for measuring the boundary distance of the cut blocks and space structure parameters of forest trees in the cut blocks; and the processor determines a felling range parameter and a felling accumulation amount according to the information, generates a felling application form and a survey report on line, and can also print on site. According to the method, the efficiency and the accuracy of on-site forest cutting sign investigation can be effectively improved.