149 results about "Fruit tree pruning" patented technology

The invention relates to the technical field of fruit tree pruning, in particular to an automatic fruit tree pruning system based on machine vision, which comprises a camera used for capturing fruit tree images and determining specific positions of fruits, branches and leaves. And the image processing module is used for identifying branch structures through an image processing technology and identifying branches and leaves needing to be pruned. And the decision making module is used for calculating a cutting path and a driving path of the trimmer and the driving vehicle from the current position to the target position according to a result of the image processing module. And the intelligent control module is used for controlling the trimmer and the driving vehicle to move to a target position to trim branches and leaves according to the information provided by the decision making module, and avoiding fruits and branches and leaves which do not need to be trimmed in the trimming process. By accurately identifying the branch structure of the fruit tree, the angle and force of the trimmer are adjusted in real time, fruits of the fruit tree and branches and leaves which do not need to be trimmed are avoided, trimming is more accurate, and the healthy growth state of the fruit tree can be maintained.

The invention provides a multidirectional adjustable fruit tree branch and leaf pruning device, and relates to fruit tree branches and leaves, the multidirectional adjustable fruit tree branch and leaf pruning device comprises a machine shell, a mounting cavity is formed in the machine shell, a driving structure is arranged in the mounting cavity, a connecting column is inserted into one end of the machine shell, and the surface of the connecting column is sleeved with a fixing cover used for being in threaded assembly with the machine shell; a connecting structure is arranged in the connecting column, one end of the connecting structure is connected with a trimming saw blade, and the trimming saw blade can be in transmission connection with the driving structure under the action of the connecting structure. According to the fruit tree pruning device, through the arranged driving structure, the adjusting motor can be started to enable the output end of the adjusting motor to drive the gear to rotate when facing the branch directions of different fruit trees, the pruning angle of the pruning saw blade is adjusted in cooperation with rotation of the gear ring, and actual application of operators is facilitated.

The invention discloses an intelligent control system and method for fruit tree irrigation, and the system comprises a soil humidity detection module, a fruit tree information database module, an irrigation decision module and an irrigation execution module, or comprises an image collection module, an environment monitoring module, a fruit tree growth analysis module, an irrigation decision module and an irrigation execution module. According to the method, a more scientific and effective auxiliary means is provided for fruit tree pruning, and the yield and quality of fruit tree cultivation can be improved.

The utility model relates to the technical field of fruit tree pruning, in particular to a fruit tree pruning machine which comprises a sleeve shell and branches, clamping plates are fixedly installed on the upper side and the lower side of one end of an opening of the sleeve shell, a rotating shaft is installed between the clamping plates on the upper side and the lower side in an inserted mode, and the upper end and the lower end of the rotating shaft are fixedly connected with the clamping plates on the lower side. A first shearing tool bit and a second shearing tool bit are rotationally installed on the outer wall of the rotating shaft, and clamping structures are arranged on the upper side and the lower side of the first shearing tool bit and the upper side and the lower side of the second shearing tool bit. When the handle is pressed, the electric motor is triggered to drive the first shearing tool bit and the second shearing tool bit to rotate mutually to shear branches, so that the effect that the branches of the fruit trees can be stabilized and sheared with one hand is achieved, the branches are prevented from being cut by the electric cutting pliers or stabbed by insects on the trees, the shaping and pruning efficiency of fruit farmers on the fruit trees is improved, and the pruning safety of the fruit trees is also improved.

The invention relates to the technical field of fruit tree branch pruning, and in particular to a mobile double-arm fruit tree pruning robot, comprising a crawler drive device, a supporting platform, a base, a machine body, a column, a pruning system, a control system and a visual recognition system, wherein the crawler drive device plays a supporting role, drives the robot to move, reduces the movement turning radius of the robot, has a strong obstacle-crossing ability, and solves the problems that a wheeled chassis is easy to slip on soft or muddy roads, has a large turning radius, and occupies a large walking space; the arrangement of the machine body and the column can prevent electronic components from being wetted by rain, and the use is safer; the control system identifies branches to be pruned, thereby controlling the pruning system to perform automatic pruning, thereby realizing automatic and intelligent pruning of fruit tree branches, improving the efficiency of pruning, and reducing the labor intensity of pruning, and the robot is suitable for popularization and use.

The utility model relates to the technical field of fruit tree pruning, in particular to a portable electric fruit tree pruning device. The utility model provides a portable fruit tree electric pruning device which can directly spray a medicament on the wound of a branch in the pruning process, and is more convenient and labor-saving. A portable fruit tree electric pruning device comprises a telescopic rod, electric scissors, a switch and a pesticide spraying assembly, the upper portion of the telescopic rod is rotationally connected with the electric scissors, the switch is arranged on the lower portion of the telescopic rod and electrically connected with the electric scissors, and the pesticide spraying assembly is connected to the telescopic rod. In the pruning process, the pesticide in the pesticide box is conveyed to the spray head through the liquid conveying pipe, and then the pesticide is sprayed to the cut of the pruned branch through the spray head, so that the pesticide is sprayed to the cut of the branch, the pesticide can be directly sprayed to the cut of the branch in the pruning process, and the effects of being convenient and labor-saving are achieved.

The utility model discloses a multifunctional short stock fruit tree pruning tool, and particularly relates to the technical field of pruning tools, the multifunctional short stock fruit tree pruning tool comprises a box body, the bottom of the box body is connected with a box cover through a hinge, a protective pad is arranged in the box body, a plurality of through holes are formed in the protective pad, a pruning knife is arranged in one of the through holes, and the box cover is connected with the box cover through a hinge. Cutting teeth are arranged on one side of the trimming knife, a trimming mechanism is arranged on the other side of the trimming knife, and an auxiliary mechanism is arranged in the through hole in the other side of the trimming knife. The trimming mechanism and the cutting teeth are arranged on the two sides of the trimming knife respectively, so that the trimming knife can obtain various trimming modes through the trimming mechanism and the cutting teeth; therefore, when the branches of the fruit tree need to be pruned in various pruning modes, the branches of the fruit tree can be pruned smoothly only through the device without the help of various pruning tools, and by means of the arrangement, the convenience and practicability of the device are obviously improved when the device is used.

The invention discloses an analysis system and method for a fruit tree pruning scheme, and the system comprises an image collection module, a processing unit electrically connected with the image collection module, a display module electrically connected with the processing unit, and a sensor module electrically connected with the processing unit, and the processing unit is electrically connected with a communication module. The communication module is electrically connected with the control module, and a positioning assembly is arranged in the control module. According to the analysis system and the analysis method for the fruit tree pruning scheme, the image of the fruit tree can be collected and analyzed through a corresponding algorithm, so that an accurate pruning method is given, the analysis of the fruit tree pruning scheme is realized, and the cost of fruit growers is reduced.

The utility model discloses a fruit tree pruning device, and relates to the technical field of fruit tree pruning. The pruning device comprises a supporting rod, a pruning mechanism capable of adjusting the direction is fixedly installed at the top of the supporting rod, an electric push rod for driving the pruning mechanism to steer is arranged on the surface of the supporting rod, and a sawing mechanism for sawing off branches is fixedly installed on the front side of the supporting rod. A clamping and fixing assembly for fixing branches is fixedly installed on the front side of the supporting rod. The first electric saw drives the inner cutter to rotate, the inner cutter and the outer cutter trim and clean small branches of fruit trees, and when branches in different directions, angles and the like are trimmed, the electric push rod stretches and retracts to pull the cutter rest to rotate on the rotating seat, the angle of the cutter rest is adjusted, and the supporting plate and the clamping plate are pushed to be attached to the surfaces of thick branches, so that the branches are trimmed. The branches slide between the supporting plate and the clamping plate, the two ends of the branches are clamped and fixed through traction of the torsional spring, and the stability in the cutting process can be guaranteed without manually grabbing the branches.

The invention relates to a fruit tree pruning intelligent recommendation method based on point cloud skeleton analysis, and belongs to the technical field of agricultural information. The method comprises the following steps: S1, point cloud preprocessing: removing noise and reducing a data sampling rate through statistical filtering and uniform down-sampling technologies, and converting into a triangular mesh model; s2, point cloud skeleton extraction: skeleton processing is performed on the point cloud by using a skeleton extraction algorithm SEMC, and a skeleton structure of the fruit tree is extracted; s3, skeleton topological structure analysis: decomposing the extracted skeleton into a plurality of non-bifurcation segments, and generating a segmented chain table structure; each segment in the linked list represents an independent branch, and nodes and branch information of the linked list are used for describing the topological relation of the skeleton; s4, intelligent pruning recommendation: according to the classified branch information, in combination with pruning rules, identifying and marking the branches needing to be pruned, and generating a pruning scheme according to geometric features of the branches; meanwhile, through visual display of the pruning scheme, orchard managers are assisted to make decisions.

The utility model relates to the technical field of fruit tree pruning tools, in particular to a portable fruit tree pruning auxiliary tool. The utility model provides a portable fruit tree pruning auxiliary tool. The portable fruit tree pruning auxiliary tool comprises a connecting plate, a handheld plate, a mounting cover, a sliding toothed plate, a driving gear, a driving shaft, a driven gear, a driven shaft, an adjusting assembly, a sliding assembly, a pruning assembly and a clamping assembly. Compared with the problems that in the using process of a traditional fruit tree pruning tool, cut-off branches directly fall on the ground, unnecessary potential safety hazards are caused, and therefore the safe operation and use performance of the device is inconvenient to improve, the fruit tree pruning tool is provided with an adjusting transmission structure and a pruning clamping structure; the two clamping assemblies can be driven to rotate relatively at the same time through the transmission structure, and branches can be clamped and fixed through the two clamping assemblies, so that the trimmed branches can be prevented from directly falling onto the ground, potential safety hazards are avoided, and the use performance of safe operation of the device can be improved.

The utility model discloses a branch and leaf pruning device for fruit tree planting, which relates to the technical field of fruit tree planting and comprises a pull rod, a limit spring is mounted on the inner wall of the pull rod, an ejector rod is mounted on the outer wall of the limit spring, a connecting sleeve is mounted at the top of the pull rod, and blades are mounted on two sides of the outer wall of the connecting sleeve. Through the reset spring, the sliding sleeve, the limiting ring and the knife rest, after a worker holds the sliding sleeve by hand, aligns the blade to branches and leaves needing to be trimmed and pulls the pull rod downwards, the pull rod drives the blade to move downwards, the branches and leaves needing to be trimmed are cut by the blade when passing through the knife rest, and after the pull rod is loosened, the pull rod is jacked up through the elastic force of the reset spring; and the pull rod and the sliding sleeve are arranged, so that the cutting range of the blade is extended, a worker can trim branches and leaves at the top end of the fruit tree by standing on the ground without climbing, and the safety of fruit tree pruning operation is improved.

The invention discloses a multi-angle intelligent fruit tree three-dimensional pruning machine, and relates to the technical field of fruit tree pruning machines. The cutting machine comprises a movable vehicle body, a first fixing base, a pitching feeding mechanism, a first vertical pipe, a lifting sleeve, a lifting assembly, a first fixing mechanism, a first cutting knife rest, a first fixed knife rest, an elastic traction assembly, a first movable knife plate, a first movable blade, a first blade driving mechanism, a second fixing mechanism, a second vertical pipe, a fixing frame, a cross arm rotation assembly, a cross arm, an extension assembly, a second cutting knife rest, a second fixed knife rest and a guide assembly. The second movable blade is arranged on the second movable blade driving mechanism. The fruit tree pruning device is compact in structure, diversified in pruning direction and flexible in regulation and control, meanwhile, fruit trees can be pruned in different directions, various pruning shapes of the fruit trees can be met, and the fruit tree pruning device can be widely applied to fruit tree crops subjected to hedge frame pruning, fan-shaped pruning or tower-shaped pruning; in addition, adaptive adjustment can be easily carried out according to different geometrical shapes of fruit tree crops, so that the working efficiency can be greatly improved, and the operation time is remarkably shortened.

The utility model relates to a saw disc type accessory head of a fruit tree pruning machine, which comprises a bearing mechanism, a saw disc type accessory head, a saw disc type accessory head and a saw disc type accessory head, the transmission mechanism is used for driving the saw blade, and a motor drives a transmission shaft to drive the saw blade to rotate; the cutting mechanism comprises a plurality of cutting saw blades, and the cutting saw blades complete fruit tree branch cutting work; the fruit tree pruning machine is connected with the fruit tree pruning vehicle through the connecting joint on the bearing mechanism, when the fruit tree pruning vehicle advances, the saw blade on the rotating shaft is driven by the motor to prune fruit tree branches, and when the saw blade is abraded and replaced, the saw blade is rapidly replaced through the saw blade fixing mechanism. In this way, the maintenance cost is saved, and the fruit tree pruning efficiency is improved.

The invention discloses a white sand loquat anti-freezing input-output ratio optimal planting method. The method comprises the steps of fruit tree pruning, wherein overdense branches, drooping branches and branches suffering from diseases and pests are pruned, and fruiting branches and spindling branches are cut back; heavy application of organic fertilizer: applying fertilizer to young trees 5-6 times every year, 2 months every time, and applying fertilizer to adult trees 3-4 times every year; irrigating: irrigating before freezing injury comes; bagging: early maturing loquats are bagged at the beginning of January, fruits are thinned before bagging, 2-3 spikes are reserved on each spike, diseased fruits, small fruits and dense fruits are removed, and fruits with expanded middle parts and round tops are reserved; before bagging, thiophanate methyl and pyrethroid pesticides are sprayed for 1-2 times, and 2-3 leaves close to clusters are all bagged in the bagging process; bagging and non-woven fabric: tightly wrapping the trunk and the main branches with the non-woven fabric; bagging and tree trunk whitening: whitening the tree body by using a whitening agent containing water and quick lime; spraying an anti-freezing agent, namely spraying the anti-freezing agent before bagging, and after one week, removing the bags and spraying an unfreezing agent. The cold-proof and anti-freezing method is easy to popularize, low in cost and high in efficiency.

The utility model provides a fruit tree pruning device which comprises a base, walking wheels are fixed to the bottom face of the base, a lifting device is fixed to the top face of the base, and a workbench is fixed to the top of the lifting device. A back plate, a portal frame A and a portal frame B are arranged on the top face of the workbench, the back plate is close to the side edge of the workbench, and the portal frame A and the portal frame B are oppositely arranged and close to the side edge of the workbench. An extension plate A and an extension plate B are slidably connected to the top surface of the workbench, the free end of the extension plate A penetrates through the portal frame A, and the free end of the extension plate B penetrates through the portal frame B; the structure of the portal frame A is the same as that of the portal frame B, coaxial through holes are formed in two vertical sections of the portal frame A, and pin shafts are arranged in the through holes; a pin shaft penetrates through a through hole in the vertical section of the portal frame A to limit the position of the extension plate A; the pruning device has the advantages of being reasonable in design, high in practicability, convenient to use and high in safety.

The invention discloses a fruit tree pruning and residual branch smashing and recycling combined machine which comprises a walking locomotive, a pruning device and a smashing device, the smashing device is provided with a smashing shell installed at the front end of the walking locomotive, a feeding roller and a smashing roller, and the feeding roller and the smashing roller are rotationally installed in the smashing shell in a front-back diagonal distribution mode. A feeding opening is formed in the bottom of the front end of the crushing shell, a discharging opening is formed in the top of the rear end of the crushing shell, a conveying pipe is hinged to the outer side of the discharging opening, the feeding roller is close to the feeding opening, the crushing roller is close to the discharging opening, the feeding roller and the crushing roller are connected with a driving motor, and the front end of the feeding opening of the crushing shell is connected with a collecting table. The top of the collecting table is provided with a conveying belt for conveying in the direction close to the feeding opening. The fruit tree pruning and residual branch smashing and recycling combined machine can effectively improve the fruit tree pruning efficiency and the residual branch recycling efficiency, and the labor intensity of workers is relieved.

The utility model discloses a fruit tree pruning device which comprises a supporting rod, a supporting base, a movable plate and a pruning mechanism. A supporting seat is horizontally and fixedly arranged at the top of the length-adjustable supporting rod, an angle-adjustable movable plate is hinged to the upper portion of the supporting seat, a trimming mechanism is arranged on the movable plate, and the trimming mechanism comprises a trimming knife, a first spring and a driving mechanism; the upper end of the movable plate is provided with two X-shaped trimming cutters, cutter handles of the two trimming cutters are hinged together, the cutter handles of the two trimming cutters located below the hinge point are connected together through a first spring, and the movable plate is provided with a driving mechanism capable of pushing the cutter handles of the two trimming cutters to be close to enable cutting edges of the two trimming cutters to be close to conduct trimming. The fruit tree pruning device has the height and pruning angle adjusting function, fruit trees of different heights and branches and leaves at different positions can be pruned, the using flexibility and reliability of the whole device are improved, and therefore the fruit trees can be pruned conveniently.

1. The name of the design product: telescopic scissors (heavy duty). 2. The use of the design product: the telescopic pruning tool for landscaping, fruit tree pruning and high-altitude branch cutting. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This application discloses a multifunctional fruit tree pruning saw, relating to the technical field of fruit tree pruning tools. It includes: a saw head comprising a protective housing, a working motor mounted on one side of the housing, and an output shaft of the working motor extending into the housing and mounting a saw blade; a handle portion, which is connected to the tail end of the housing; wherein, a hinge seat is also provided at the front end of the housing, and at least two arc-shaped steel bars are rotatably mounted on both sides of the hinge seat, and a collection box is also installed at the bottom of the arc-shaped steel bars for collecting sawdust falling during pruning. This application's rotatable arc-shaped steel bars and collection box can effectively collect sawdust generated during high-altitude pruning, improving the working environment and enhancing work comfort. The arc-shaped steel bars not only serve as a mounting bracket for the collection box but also act as a guide, guiding branches accurately to the saw blade, thereby reducing operational difficulty and improving cutting accuracy and efficiency.

The invention belongs to a fruit tree cultivation technology, in particular to a fruit tree pruning method based on branch-leaf-root synchronous growth, which is suitable for a fruit tree with at least three main branches. Different from a traditional strong-removing and strong-remaining method, the method adopts a weak-removing and strong-remaining strategy, and synchronous growth of branches, leaves and roots is realized through the following steps: firstly, performing head removing treatment on a main branch I, reserving 75-85% of length, selectively reserving vigorous branches of more than 1m, and forming inverted branches; in the second year, girdling the inverted branches to promote flower bud formation; after the fruits are harvested in the third year, the fruiting branches are cut off, and the second main branch is subjected to the same treatment; in the fourth year, the first main branches grow new branches again, and the process is repeated. According to the method, the main branches are trimmed and updated in turn, so that continuous growth and fruiting of the trees are kept, the yield and the fruit quality are improved, meanwhile, the influence on the environment is reduced, and the method has important economic and ecological values.

The utility model discloses a novel disinfection device for fruit tree pruning, which comprises a supporting plate, and is characterized in that a disinfectant smearing assembly is arranged at the lower end of the supporting plate, connected with the supporting plate and used for smearing disinfectant, the disinfectant smearing assembly comprises symmetrical fixing columns, the symmetrical fixing columns are fixed on the lower side of the supporting plate, and the disinfectant smearing assembly is connected with the supporting plate and used for smearing the disinfectant. The lower portion of each supporting plate is connected with a center shaft of a gear through a bearing, the edge of one side of each gear is fixedly connected with one end of a limiting shaft, each limiting shaft penetrates through a vertical sliding rail, the lower end of each vertical sliding rail is fixedly connected with a fixing block, and each fixing block is connected with a smearing head. The utility model relates to the technical field of fruit tree pruning and disinfection, in particular to a novel disinfection device for fruit tree pruning, which can be used for conveniently replacing a smearing shaft and disinfecting the surface of a pruning instrument.

The utility model relates to the field of fruit tree pruning, in particular to a greenhouse fruit tree pruning device, which adopts the technical scheme that the greenhouse fruit tree pruning device comprises a pruning mechanism, the pruning mechanism comprises a movable base and a rotating motor mounted at the upper end of the movable base, a hydraulic cylinder is mounted at the upper end of the rotating motor, and a connecting plate is mounted at the top of the hydraulic cylinder; the straight knife trimmer has the advantages that when the straight knife trimmer trims fruit trees in a greenhouse, the negative pressure fan in the dust collection box can be started, chippings generated by trimming can be adsorbed through the feeding port, the dust collection box is arranged on the lower end of the dust collection box, the dust collection box is arranged on the lower end of the dust collection box, and the dust collection box is arranged on the lower end of the dust collection box. When the negative-pressure fan rotates and adsorbs the chips, the chips enter the dust collection box through the adsorption opening, in the process, the chips are blocked by the baffle and the filter screen, when the negative-pressure fan rotates and adsorbs the chips, the surfaces of the baffle and the filter screen can be cleaned through rotation of the cleaning scraping plate driven by the transmission shaft, and at the moment, the scraped chips fall into the dust collection box through the discharging opening to be collected.

This application relates to the technical field of fruit tree pruning, and in particular to a fruit tree pruning and recycling tool, which includes a new energy mobile base. A liquid storage tank, a wood shredding and collection tank, and a motor are fixedly installed on the upper surface of the new energy mobile base. A water pump is fixedly installed on the upper surface of the liquid storage tank, and a two-in-one water-electric conduit is connected to the upper surface of the water pump. The other end of the two-in-one water-electric conduit is electrically connected to a hydraulic telescopic rod. This application utilizes the cooperation of the hydraulic telescopic rod, pruning blade one, and pruning blade two. Through the mutual cooperation between the hydraulic telescopic rod and the pruning blades one and two, the hydraulic telescopic rod can prune branches by contracting and extending, saving time and effort. This is an automated integrated fruit tree pruning and recycling device. The new energy mobile base performs pruning through a hydraulic transmission device, saving time and effort.

The invention provides a fruit tree pruning device and a working method, relates to the field of orchard operation machinery, and aims to solve the problem that existing fruit tree pruning equipment is poor in adaptability to requirements of different tree ages and tree forms. The trimming mechanism on one side is driven to move through transverse translation of the sliding rod, so that the transverse distance between the trimming mechanism and the trimming mechanism on the other side is independently adjusted on the premise that the trimming angle is not changed, meanwhile, independent swing adjustment of the inclination angle is achieved in cooperation with a hinged suspension structure of the side rod, and mechanical decoupling of the trimming width and the trimming angle is effectively achieved; the device can flexibly adapt to width changes of different crown diameters from a young tree to a full bearing period, can accurately control slopes of different tree forms such as a vertical form or an inclined form, is compact in structure and stable in gravity center due to a sliding adjustment mode, and improves adaptability and stability of the device to refined pruning operation of a standardized orchard.

The utility model relates to fruit tree planting technical field especially fruit tree pruning device for fruit tree planting, including land fork, the support rod of fixed ground fork top, install the line roller on the support rod surface and the connecting rope of winding on the line roller surface, the support rod top is provided with the rotation direction adjusting assembly, the utility model discloses a drive assembly that adopts worm and worm, realizes the labor -saving retraction connecting rope simultaneously, utilizes its transmission self -locking characteristic, can firmly lock the down -angle of branch, effectively prevents the branch rebound, ensures the shaping effect long -term stability, through the synergic setting of rotation direction adjusting assembly and extension guide component, makes the device after single -time insertion positioning, can realize multistage adjustment and accurate traction to different orientation, different distance fruit tree branch, the operation is extremely simple, greatly reduced the repeated disturbance to the rhizosphere soil of fruit tree, has protected the soil structure.

The invention discloses a fruit and poultry circulating planting and breeding method using a spring and autumn greenhouse, and relates to the technical field of agricultural ecological planting and breeding. According to the method, the neutral period of winter crop rotation of fruit trees such as grapes, peaches and cherries planted in spring and autumn sheds is utilized; a closed-loop circulation mode of combining planting and breeding of fruits and poultry in the greenhouse in winter and spring is constructed, wherein the closed-loop circulation mode comprises the steps of preparation of compound bacteria, treatment of pruned branches of fruit trees, film mulching and constant-temperature mixed fermentation of small piles, mixing and feeding of fermented materials and conventional materials, piling of poultry manure and pruned waste, fermentation and returning to the field. According to the method, a production mode of combining fruit and poultry breeding is utilized, two self-preserved lactobacillus strains are used, crushed branches of fruit trees are subjected to mixed fermentation in a shed by adopting a small pile film covering mode, after fermentation is completed, the lactobacillus strains are added into feed in proportion, and finally poultry guano and the crushed branches of the fruit trees in the feeding process are piled up among rows of the fruit trees and fermented again. And finally, waste recycling in facility fruit poultry production is achieved, comprehensive economic benefits are remarkably improved, adaptability is high, and application and popularization are easy.

This utility model relates to the field of agricultural machinery and horticultural tools, and discloses a handheld portable fruit tree pruning device, including a power chamber. Two connecting shafts are fixedly connected to the bottom of the power chamber. Protective plates are fixedly connected to the front and rear sides of the power chamber. Two contraction columns are fixedly connected to the inner walls of the bottom ends of the two protective plates. Limiting strips are fixedly connected to the opposite sides of the two contraction columns. Slider blocks are fixedly connected to the opposite sides of the limiting strips. Control strips are fixedly connected to the opposite sides of the sliders. Springs are sleeved on the outside of the contraction columns. Fixed discs are fixedly connected to both ends of the two connecting shafts. This utility model effectively solves the problem of insufficient protection for the pruning blades during use of handheld portable fruit tree pruning devices. It improves the safety and stability of the pruning blades during storage and greatly extends their service life.

The utility model relates to the technical field of fruit tree pruning, and discloses a portable fruit tree cultivation branch girdling tool which comprises two clamping handles, the right ends of the two clamping handles are both rotationally connected with handles, the left ends of the two clamping handles are both fixedly connected with cutter tails, the left sides of the two cutter tails are both fixedly connected with cutter shafts, and the left sides of the cutter shafts are both fixedly connected with cutter blades. The left sides of the two cutter shafts are both fixedly connected with cutter heads, the inner walls of the two cutter heads are both slidably connected with blades, the rear side of the clamping handle on the front side is fixedly connected with a stud, the outer wall of the stud is in threaded connection with a screw knob, the rear end of the screw knob is fixedly connected with a silica gel pad, and a cutting mechanism is arranged in the handle on the rear side. According to the utility model, through the threaded connection design of the screw knob and the stud, when a user screws the screw knob, the screw knob can move back and forth along the stud to drive the silica gel pad to finely adjust the distance between the clamping handles, so that the tool can flexibly adjust the distance between the tool bits to meet the girdling requirements of fruit tree branches with different thicknesses.

The invention provides a fruit tree pruning robot, and relates to the field of intelligent agriculture, the fruit tree pruning robot comprises a chassis (10), a supporting box body (20), a lifting mechanism (30), a mechanical arm (40), a tail end execution mechanism (50) and a visual identification assembly, the supporting box body (20) is arranged on the end face of the chassis (10), the lifting mechanism (30) is arranged in the supporting box body (20), and the lifting mechanism (30) is connected with a bottom joint of the mechanical arm (40); the tail end executing mechanism (50) is arranged at the end, away from the lifting mechanism (30), of the mechanical arm (40) and comprises a fixed flange base (51), a driver (52), a fixed rod (53), a push rod (54) and a disk saw (55), and the visual recognition assembly comprises a top binocular camera (61) and a bottom binocular camera (62). The pruning robot can effectively prune fruit tree branches, the pruning efficiency is high, and the pruning effect is good.