396 results about "Felling" patented technology

The invention discloses a power channel corridor routing-inspection method based on a tilt photography three-dimensional reconstruction technology, wherein the method includes the steps: A, combining a laser radar data measurement technology and a tilt photography technology, and rapidly constructing power transmission line channel high-precision three-dimensional base map data by using the laser radar measurement technology; B, acquiring three-dimensional real scene data of a channel corridor by using the tilt photography measurement technology; and C, carrying out fused analysis of the three-dimensional real scene information and a laser radar channel base map, effectively identifying and extracting trees and obstacles in the channel corridor, and then generating a tree barrier assessment report. By using the method, qualitative analysis of the tree barrier can be effectively turned into quantitative analysis, the position of a to-be-felled tree in the channel can be calculated, the felling area is statistical, and thus the safe operation of the line corridor is ensured.

The invention discloses a tree felling and cutting integrated machine. An overall rotary machine frame mechanism of the machine is connected with a bent rod through a clamping and conveying part of the overall rotary machine frame mechanism; the clamping and conveying part is connected with a straight rod and a tree clamping and conveying part; an auxiliary clamping mechanism is fixedly connected onto the tree clamping and conveying part through the bottom end of a clamping jaw driving hydraulic cylinder connecting sheet bracket of the auxiliary clamping mechanism; a tree felling saw blade mechanism is fixedly connected with a saw plate feeding hydraulic cylinder bracket rod of the overall rotary machine frame mechanism through a saw plate feeding hydraulic cylinder fixing connecting sheet of the tree felling saw blade mechanism in a suspension way and fixedly connected with the tree clamping and conveying part through a second belt wheel rotation shaft of the tree felling saw blade mechanism; and a disc-type saw chain driving motor is mounted on the overall rotary machine frame mechanism. The tree felling and cutting integrated machine can be used with the conventional engineering machinery in a matched way, has the functions of felling a tree and quantitatively cutting the whole tree, can be used for automatically felling and cutting the tree under the assistance of operation of the engineering machinery and external sensing equipment as well as a hydraulic system, is simple and compact in structure and low in manufacturing cost, and is favorable for popularization.

The invention discloses an ecological restoration method for a lakeside wetland. In the method, hygrophilous woody plants are planted in a lakeside zone to construct wetland plant communities. The hygrophilous woody plants comprise hygrophilous arbor and hygrophilous shrub, wherein the hygrophilous arbor comprises willows, metasequoia, ascendens mucronatum, taxodium ascendens brongn and bamboo; the hygrophilous shrub comprises iteaceae and S.integra thrnb; and the plants are planted in the way of shoot cottage or soil ball transplant. The hygrophilous woody plants are perennial plants, have a low growth rate, low biomass, low growth amount and low plant disposal pressure and do not need felling and refloating every year, so that the defects of frequently harvesting and refloating herbal emergent aquatic plant communities every year are overcome, the maintenance and management cost of lake wetland plant communities are reduced, the lakeside depositing rate is lowered, and the secondary pollution hidden danger to lake water bodies is relieved. Compared with the prior art, the method has the characteristics of convenient operation, maintenance and management, low maintenance cost, high ecological benefit, easy popularization and application and the like and can be used for ecological restoration engineering of lake and lakeside bottomlands, swamp marshes and shallow water zones.

The invention discloses a tending method for promoting western sichuan subalpine natural secondary forest to restore by utilizing reserved trees. The method comprises the following steps: S1, selecting abies faxoniana, dragon spruce, hemlock, red birch and white birch as target tree species which need restoring in the secondary forest; S2, selecting the reserved trees; when the target tree species are the abies faxoniana, the dragon spruce or the hemlock, controlling the diameters at breast heights of the reserved trees to be more than or equal to 25cm; when the target tree species are the red birch or the white birch, controlling the diameters at breast heights of the residual trees to be more than or equal to 35cm; S3, dividing the restoration stage of the natural secondary forest according to the importance value of dominant tree species of community, wherein the restoration stage of the natural secondary forest is divided into a bushwood stage, a birch broad-leaved forest stage and a mixed broadleaf-conifer forest stage; S4, tending at the bushwood stage, tending at the birch broad-leaved forest stage and tending at the mixed broadleaf-conifer forest stage. In the restoration process of the western sichuan subalpine natural secondary forest, the reserved trees are fully utilized to tend and manage the secondary forest, so that the adverse effects of felling to the service function of a forest ecosystem can be slowed down, update is promoted, and the time for enabling the secondary forest to be restored into a forest after felling is shortened.

The invention provides a ginkgo pyroligneous liquor and the application thereof in promoting the seed germination of crops and the growth of seedling, and the ginkgo pyroligneous liquor is prepared according to the following steps: after ginkgo wood is split into wood chips, the charring of ginkgo wood is carried out in a retort, the gas generated in the process of charring is condensed, the liquid after condensation is collected and then is placed still for three months, after that, supernatant liquid is separated, thus obtaining the ginkgo pyroligneous liquor. Proved by experiments, the ginkgo pyroligneous liquor has great promoting function on the seed germination of crops and the growth of seedling. The method for preparing the ginkgo pyroligneous liquor of the invention is simple, the obtained product is a green product of all-natural formulation and has no residue and pollution as a natural agricultural chemical substitute. The ginkgo pyroligneous liquor and the application thereof of the invention opens up a new orientation of the processing and using ginkgo wood, prompts the cultivation mode of ginkgo wood to develop into the orientation of constructing timberland used for high density in large acreage, shortening the felling cycle, solving the fear of troubles in the rear of farmers after planting ginkgo.

A forestry machine includes a frame, and a felling saw carried by the frame. The felling saw includes a saw head. A tree counter associated with the saw head includes an audio sensor providing an output signal representing an audio parameter associated with a cutting action of the saw head. An electrical processing circuit is coupled with and receives the output signal from the audio sensor. The electrical processing circuit determines a tree count associated with the saw head, dependent upon the output signal from the audio sensor.

The invention discloses a special bamboo feller, which comprises a circular saw driven by a gasoline engine. The circular saw is arranged on a slide rail, a spring is arranged in the slide rail, a gripper for fixing a bamboo pole is arranged in front of the slide rail, the gripper is connected with a fixed bar through a connecting bar, the slide rail is connected with a chassis through a support,the gripper is connected with the chassis, the fixed bar is connected with the chassis, and an operation locking device is arranged on the fixed bar and the chassis. The special bamboo feller is simple in structure, small in size, light in weight, powerful, high in operating efficiency and convenient in use. When the special bamboo feller is operated, forest bamboo can be firmly fixed by the gripper at the front end and can be upright constantly during felling, so that forest bamboo quality is guaranteed effectively during felling. The circular saw is convenient in detachment and wear-resistant. The whole special bamboo feller is simple, low in required labor cost, high in labor efficiency, highly practical and capable of bringing good economic benefit and social benefit.

The invention relates to a method for manufacturing a multilayer board by a poplar veneer, enzyme treated wood and straw fiber. The method is characterized by comprising the following steps: (1) manufacturing wood fiber; (2) manufacturing the straw fiber; (3) processing the wood and the straw fiber by enzyme; (4) manufacturing a high-density fiber board; and (5) assembling and compregnating the poplar veneer and the fiber board into the multilayer board. The method has the advantages of improving the bonding performance by the enzyme treated wood and straw fiber, manufacturing the high-density fiber board by the enzyme treated wood and straw fiber, being capable of enlarging material sources of the multilayer board by manufacturing the multilayer board by replacing part of the veneers, and using the wood felling and processing remainders and crop straw materials. The enzyme treated wood and straw fiber improve the wetting property of the multilayer board (a surface contact angle is reduced by 10-20%), improve the bonding performance and reduces the application amount of urea formaldehyde resin adhesive by 6-8%. Generally, the application amount of urea formaldehyde resin adhesive is 10-14%.

The invention relates to a strain tower with a shape like a Chinese character 'gan' of a compact transmission line, comprising tower legs (8), a tower body (7), a tower head (13), a conducting wire strain string (11), a common jumper suspension string (9) and a united jumper suspension string (10), wherein a second conducting wire strain string (11-2) is connected with an upper-phase jumper suspension wire clamp (10-3) of the interphase united jumper string (10) by a second jumper (12-2), and a third conducting wire strain string (11-3) is connected with a lower-phase jumper suspension wire clamp (10-7) of the interphase united jumper string (10) by a third jumper (12-3). The invention has simple structure, increases the earth height of the lower-phase jumper, solves the detects of higher calling height, complicated structure and high self cost of the traditional compact type strain tower structure and reduces tree felling and earth and rock extraction. The compact ultra-high-voltage transmission line has more advanced technology, is more reasonable in economy and more environment-friendly in ecology.

The accumulator and harvesting arms in a front cut felling head are offset to one side of the machine so as to hold a bundle of cut trees more to one side than the other so as to create more room in front of the accumulator arms to the side of the bundle in which to cut and receive a freshly cut tree.

The invention discloses a method for manufacturing an environment-friendly coffin through waste corrugated paper and straw. The method comprises the process flows of pretreatment of raw materials of the environment-friendly coffin, proportioning of the raw materials of the environment-friendly coffin, manufacturing of a core layer of the environment-friendly coffin, surface mounting of the core layer of the environment-friendly coffin, molding of the environment-friendly coffin, and air drying treatment. The corrugated paper, the straw and auxiliary materials are mixed and extruded to form the core layer which is high in strength, and the corrugated paper and the straw can be recycled. By producing the environment-friendly coffin through the raw materials, the cost is greatly reduced, the utilization rate of the corrugated paper and the straw is improved, and tree felling is reduced in disguise.

The invention provides a Chinese fir forest felling and breeding method. According to an investigation of Chinese fir forest, the optimum density of Chinese fir is determined by adopting a harvest forecast density control diagram, the real-time adjustment of Chinese fir man-made forest density is conducted by adopting felling and breeding measures. Therefore, reasonable stand densities are formed at various development stages of the Chinese fir forest, the productivity of Chinese fir individuals are sufficiently guaranteed, and the use of the space is maximized, so that a better operation target is achieved.

A spiral-climbing bamboo branch feller comprises a frame, a clamping component, a controller, a motor, a power transmission mechanism, a branch cutting saw, and a plurality of climbing wheels; the frame includes two restraining half-ring units and a rotary shaft, one end of every restraining half-ring unit is rotationally fixed to the rotary shaft, and the two restraining half-ring units encircle a restraining space and are clamped through the clamping component; the controller is in control connection with the motor, and the motor is in drive connection with the power transmission mechanism; both the branch shearing saw and the climbing wheels are linked to the power transmission mechanism, with the branch shearing saw extended out of the restraining space; in operating state, the two restraining half-ring units encircle a bamboo or trunk, and the climbing wheels surround the bamboo or trunk in 360-degree rotational manner. The spiral-climbing bamboo branch feller is capable of climbing and felling bamboo branches automatically and quickly, and is high in operating efficiency, and the felled bamboo branches are incomplete and free of breakage.

The invention discloses a method for preparing an auricularia polytricha cultivation material by using branches and wood chips which are abandoned during trimming and felling of fast-growing forest belts and green forest belts as main raw materials. According to the invention, branches, wood chips are firstly crushed into bean-size particles; branches, wood chips, wheat bran, pig manure and the like are weighed in proportion and then uniformly mixed; and water is added while stirring is carried out so as to make moisture content of the mixture is 60%-65%. Generally, water addition for each 100kg of a dry material is 120-150kg and is specifically dependent on natural moisture content of the culture material. The standard is as follows: it is suitable when a small handful of the mixed culture material is rolled by hands into a ball and the hands have a certain moisture; if there is water droplets between gaps of fingers, moisture is too much; and if there is no water stain, moisture is insufficient. After piled up, the stirred culture material is covered with a plastic film and fermented for 2-3 days. During the fermentation process, the culture material is turned over once each day so as to avoid anaerobic fermentation. After the fermentation, the culture material is prepared and bagging can be carried out. The auricularia polytricha culture material prepared by the above method has advantages of comprehensive nutrition, low cost and wide source. In addition, sterilization is thorough, and auricularia polytricha is not easy to be infected by other bacterium; and hyphae absorb the material and grow better.

The invention discloses a method for transforming degraded lodgepole pines into a high-quality pseudolarix protection forest. For the situations of lodgepole pines in mountainous regions at a higher altitude that the growth is slow, plant diseases and insect pests occur frequently, the protection effect is poor and the stand regeneration is difficult, through the technical measures of sample-plotsurvey, determination of restoration tree varieties, sanitation felling and land preparation, reinforcement planting of target tree varieties, young forest tending, lighting cutting, tending felling,cultivation of target tree varieties and stand management, the stand structure, species composition and stand health condition are improved, the survival and growth of trees are obviously promoted, and the forest wood quality is improved. Compared with the prior art, the method for transforming the degraded lodgepole pines into the high-quality pseudolarix protection forest has the advantages thatthe construction is easy, the restoration is fast, the productivity is high, the protection effect is good, the operation is easy, the healthy and stable development and sustainable use of the forestcan be effectively promoted, and the method can be used for the ecological restoration reconstruction of degraded protection forests in the mountainous regions at the higher altitude.

The invention discloses a method for determining wood ages by adopting a model method. The method adopts the mathematic model method to predict the wood ages for a natural different-age-wood forest class consisting of the same tree species and comprises the steps that firstly, woods in the small class are sequentially marked from young trees according to diameter class from small to large; secondly, a mathematic model of the natural forest class consisting of the same tree species is established according to wood diameters at breast heights of all diameter classes marked before observation in successive years; finally, the ages of the woods are calculated through substitution by combining a parameter expression. The method does not need wood felling, does not damage the woods and is small in working amount and easy to operate.

A hydraulic system for a felling saw head includes a hydraulic motor, operatively coupled to a saw disc of the saw head, a hydraulic variable displacement pump, operatively coupled to the hydraulic motor to supply pressurized fluid to the motor, and a controller configured to control the pump. To provide a target operating speed of the saw disc, the motor is configured to operate at a first displacement corresponding to a first flow rate of hydraulic fluid through the motor During at least a part of a saw recovery operation, the controller controls the pump to operate at a current pump displacement that results in a flow rate of hydraulic fluid through the pump that exceeds the first flow rate through the motor. Saw recovery time may be reduced without overspeeding the saw by including a metered flow control device between the pump and the motor.

The invention discloses a power transmission line tree barrier felling planning method based on a hyperspectral remote sensing technology. A tree preparation type is detected by using non-contact hyperspectral, and tree identification can be conveniently carried out for a power transmission line with difficulty in manual inspection of a load terrain. A tree barrier felling planning strategy is putforward in a targeted mode, inaccurate visual inspection in manual inspection is avoided, the growth rates of different trees are considered in the established tree barrier felling planning model, and threats caused to a power transmission line by subsequent growth of trees which do not need to be felled temporarily are avoided. According to the method, the inspection frequency of the complex terrain manual inspection difficulty area is reduced, and the waste of manpower and material resources is reduced.

The invention relates to a multi-process machine for the felling and further processing of trees, which is arranged to be suspended on the boom of a loader device with the aid of a pivot. The suspension device of the multi-process machine includes a rotator attached to the arm of the suspension device as well as a transverse frame pivot in its lower part, for supporting the frame of the operating unit, and an operating device. The suspension device further includes a wide-angle mechanism between the operating device and the said frame, for enlarging the rotation created by the length of stroke of the operating device.

A tooth is provided for a circular disc felling saw. The saw tooth may have a generally square pyramidal shape with tips at each of the four corners. Each of the tips has an enlarged tip region where the tip is stepped outward from the adjacent sides. The front face of the tip remains smoothly continuous. The enlarged, or built-out region extends rearwardly a greater distance than the lateral step out distance, and the rearward build-out portion is relieved on planes parallel to the main portions of the planar sides of the pyramid. The tooth may have both leading and trailing cutting tips. Either one or both of the primary and secondary cutting tips may include a wear insert, such as a ceramic wear insert.