241results about "Hedge trimming apparatus" patented technology

The present disclosure provides a method for assisting users in plant cultivation, including: determining a pruning plan according to a plant species and a pruning goal, and determining whether to display the pruning plan to the user according to the current season and / or the plant growth stage, wherein the pruning plan includes a pruning approach and a pruning position; and in response to determining to display the pruning plan to the user, depicting the pruning approach and the pruning position in combination with the image of the plant to display the pruning plan to the user. The present disclosure also relates to a device for assisting users in plant cultivation and a non-transitory computer-readable storage medium.

The invention concerns a method for using a computer or computers to generate cut-point data including information indicating a three-dimensional position of a point on a cane of a fruit tree where the cane is to be cut off includes, for each of one or more canes of the fruit tree, acquiring measurement values concerning two or more attributes, including an attribute concerning buds on the cane and an attribute other than buds (S236), based on sensor data of the one or more canes being acquired by a sensor or sensors, determining the one or more canes each as a cane to be removed or a cane to be retained based on the measurement values (S240), and generating the cut-point data for each cane determined as a cane to be removed (S300).

A trimming machine capable of suppressing damage to a gear when blades are locked, with a simple structure without increasing weight and cost. The trimming machine includes: an electric motor; a blade drive gear rotationally driven by the electric motor; an eccentric cam provided in the gear; and a pair of blades relatively slidably facing and contacting each other, in which the eccentric cam is adapted to reciprocate the pair of blades in relatively opposite directions along the longitudinal direction of the blades, thereby grinding cutting edges against each other, the cutting edges provided in a protruding manner with gaps therebetween in the pair of blades, and a shock absorbing portion is provided between a connecting portion connected to the eccentric cam and the cutting edges in each of the blades.

The invention relates to the field of hedge trimming control, in particular to an intelligent centering method and system for a hedge trimmer. The method comprises the following steps: firstly, obtaining a tool vibration coefficient at the current moment according to the inclination angle, the operation power, the acceleration data and the point cloud position change on a trimming path of a tool in a short period, and obtaining the vibration coefficient of the tool according to the depth value difference between pixel points of a tool area edge line on one side of a trimmed hedge area and pixel points of the trimmed hedge area; obtaining a tool centering coefficient at the current moment according to a tool vibration coefficient and a tool vibration coefficient and depth value change correlation of pixel points between each reference line and a tool area center line, obtaining a trimming posture deviation degree based on the tool vibration coefficient and the tool centering coefficient, and obtaining a trimming posture deviation degree according to the length of a stem edge line in an untrimmed hedge area and hue values and saturation values of the pixel points. And performing real-time centering control on the hedge trimmer in combination with the trimming posture deviation degree and the hedge deviation degree. The centering effect of the hedge trimmer can be improved.

A hand-held drive apparatus comprises an apparatus main body including a pruner and a handle rotatably connected to the apparatus main body and including a rotation lock mechanism and a drive operation mechanism. The rotation lock mechanism includes a rotation lock lever movable to a rotation prevention position where the handle is prevented from rotating, and to a rotation allowance position where the handle is allowed to rotate. The drive operation mechanism includes a switch configured to control activation of the pruner and a throttle lever movable to a contact position where the throttle lever pushes the switch and to a non-contact position where the throttle lever is separated from the switch. The throttle lever contacts the rotation lock lever at the rotation allowance position to maintain the non-contact position, and is, when the rotation lock lever is at the rotation prevention position, allowed to move to the contact position.

A work tool drive unit for a cutting blade of a handheld work apparatus includes an electric motor configured to rotate a drive pinion, a gearbox, a planetary gear arranged in the gearbox, with a single ring gear, a single planetary carrier and planets driven by the drive pinion, an eccentric shaft driven by the planetary gear and is configured to drive at least one cutting tool. The planets each have a first peripheral section and a second peripheral section. The first peripheral section is in engagement exclusively with the drive pinion, and the second peripheral section is in engagement exclusively with the ring gear. The work tool drive unit has an oscillating weight which is connected fixedly to the drive pinion for conjoint rotation.

An outdoor power tool and methods of operating outdoor power tools are provided. An outdoor power tool includes a first blade extending from a first end to a second end, a second blade extending from the first end to the second end, a first connecting rod coupled to the first blade at the first end and comprising a first length, a second connecting rod coupled to the second blade at the first end and comprising a second length different from the first length, and a crankshaft coupled to the first connecting rod and the second connecting rod. The crankshaft is configured for transmitting reciprocating motion to the first blade, the second blade, or both the first blade and the second blade in a first direction and a second direction. The second direction is opposite the first direction.

The present invention discloses a maintenance device for municipal landscaping construction, which includes a fixed frame and a pruning frame. Inside the pruning frame, a rotating shaft, a shredded leaf placement frame, and a dust collection frame are sequentially arranged from left to right. A number of pruning knives are fixedly installed on the surface of the rotating shaft through bolts. The pruning knife is composed of a circular ring and a number of blades, and the rotation angles of every two pruning knives are different. A connecting frame is fixedly arranged inside the pruning frame, and inclined filter plates I are fixedly arranged on both sides of the connecting frame. The outer sides of the two filter plates I are respectively fixed on the left and right inner walls of the pruning frame. The connecting frame is connected to the shredded leaf placement frame. A guide plate I and a guide plate II fixed to the pruning frame are arranged on the right side of the shredded leaf placement frame. The dust collection frame is slidably arranged between the guide plate I and the guide plate II. In the present invention, through the drive of a telescopic cylinder, the pruning frame can be rotated, so that the upper and side parts of the green belt can be pruned, improving the pruning range.

The invention concerns a method for using a computer or computers to generate cut-point data including information indicating a three-dimensional position of a point on a cane of a fruit tree where the cane is to be cut off includes acquiring information on a cultivation method of the fruit tree (S270), for each of one or more canes of the fruit tree, acquiring a measurement value(s) concerning one or more attributes including an attribute having different evaluation criteria depending on the cultivation method (S234), based on sensor data including information indicating a three-dimensional structure of the one or more canes acquired by a sensor or sensors, determining the one or more canes each as a cane to be removed or a cane to be retained based on the measurement value(s) (S240), and generating the cut-point data for each cane determined as a cane to be removed (S300).

The utility model relates to the technical field of garden pruning instruments, and particularly discloses a cylindrical pruning cutter which comprises a cutter holder and a blade, the cutter holder is arranged in a circular ring shape, a fixing part is arranged at one end of the cutter holder, a mounting part is arranged at the other end of the cutter holder, the blade is in a circular ring shape, one end of the blade is fixedly connected with the mounting part, and sawteeth are arranged at the other end of the blade in a surrounding mode. The utility model further discloses a trimming device with the trimming cutter. The cylindrical shape trimming cutter and the trimming device are simple in structure and high in trimming efficiency.

The invention concerns a method for using a computer or computers to generate cut-point data including information indicating a three-dimensional position of a point on a cane of a fruit tree where the cane is to be cut off includes, for each of one or more canes of the fruit tree, acquiring measurement values concerning two or more attributes based on sensor data of the one or more canes being acquired by a sensor or sensors (S230), acquiring information on priority levels of the two or more attributes (S250), determining the one or more canes each as a cane to be removed or a cane to be retained based on the measurement values and the priority levels (S252), and generating the cut-point data for each cane determined as a cane to be removed (S300).

The invention provides an expressway green belt maintenance system based on an unmanned aerial vehicle and an inspection robot, and the system comprises the steps: enabling the unmanned aerial vehicle to fly according to a preset green belt air track, collecting a camera image and a thermal imaging image of an expressway green belt, and preliminarily judging whether the expressway green belt has a pest and disease damage region or not; if the pest and disease damage area exists, after the unmanned aerial vehicle moves to the position above the pest and disease damage area, worm eggs, worm holes and disease spots on plant leaves of the pest and disease damage area are recognized, the pest and disease damage grade is obtained, and if the pest and disease damage grade is recognized to be low, a pest and disease damage control instruction and the position of the pest and disease damage area are sent to the inspection robot; if the inspection robot receives the pest control instruction, the inspection robot moves to the position of the pest control area and then stops moving, the spraying device is started, a biological control agent is released through the spraying device, and plant leaves in the pest control area are controlled. Through cooperative work of the inspection robot and the unmanned aerial vehicle, full-intelligent maintenance and pruning of the highway green belt are achieved.

The utility model relates to the technical field of garden trimming machinery, in particular to a garden landscape short planting umbrella-shaped trimmer which comprises a moving trolley, a trimming knife and a baffle. The driving motor is fixed to the lower portion of the motor base through screws, and the fixing base is installed on an output shaft of the driving motor. The trimming knife is fixed below the fixed seat through a bolt; the baffle is arranged on one side of the trimming knife; a storage box is fixedly arranged at the lower end of a baffle, and a movable cover is hinged to the lower end of the storage box. The swing arm is welded and fixed on the movable cover; the electric cylinder is arranged on the hinged side of the storage box and the movable cover, and the two ends of the electric cylinder are hinged to the swing arm and the baffle correspondingly. By improving the garden landscape short-planting umbrella-shaped trimmer, the garden landscape short-planting umbrella-shaped trimmer has the advantages that trimmed branches and leaves are collected, manual cleaning is not needed, the workload of trimming personnel is reduced, and use is convenient, so that the problems and defects in the prior art and equipment are effectively solved.

Crankshaft assemblies for handheld power tools are provided. A crankshaft assembly includes a first engagement member defining a first opening, a second engagement member defining a second opening, a crankshaft coupled to the first engagement member and the second engagement member and configured to rotate about a rotational axis, and at least one crank arm coupled to the crankshaft for driving one or both of the first engagement member and the second engagement member. The crankshaft assembly also includes a first sliding member disposed in the first opening and a second sliding member disposed in the second opening and contacting the first sliding member.

The invention relates to the technical field of hedge trimmer control, in particular to a single-blade hedge trimmer retracting detection control method, system and equipment, and the method comprises the steps: obtaining the load current and rotating speed of each moment in the operation process of a hedge trimmer; recording a plurality of moments before each moment as local time periods of each moment; calculating a first characterization value and a second characterization value at each moment; determining a jamming evaluation value at each moment, and evaluating a jamming state of the hedge trimmer; when the hedge trimmer is in the cutter clamping state, cutter retracting control is conducted on the hedge trimmer. According to the invention, the misjudgment of the cutter clamping state caused by the foreign matter collision phenomenon can be reduced, the evaluation accuracy of the cutter clamping state of the hedge trimmer is improved, and then the cutter retracting detection precision and the cutter retracting effect of the hedge trimmer are improved.

The utility model discloses an electric tool. The electric tool comprises a gearbox, a cutting mechanism, a transmission mechanism, a rolling piece and a driving mechanism. The cutting mechanism comprises a blade; the transmission mechanism is movably mounted in the gear box and comprises a connecting piece connected with the blade; the rolling piece is movably propped between the inner wall of the gearbox and the connecting piece, and the peripheral surface of the rolling piece is in line contact or point contact with the connecting piece; the driving mechanism is connected with the transmission mechanism so as to drive the connecting piece to drive the blade to move. According to the electric tool, the rolling piece movably abuts against the position between the inner wall of the gear box and the connecting piece, a friction plate fixed to the inner wall of the gear box in the prior art is replaced, namely sliding friction in the prior art is replaced with rolling friction, surface contact at the contact position is changed into line contact or point contact, friction force is reduced, and the service life of the electric tool is prolonged. Heat generation is reduced, the service life of the rolling piece is prolonged, and the use cost of the electric tool is reduced.

The present invention relates to a hinge (10) for a hand tool, in particular for a tree trimmer or the like. The hinge (10) comprises a first hinge part (12) including a first half-shell (16) and a second half-shell (18), a second hinge part (14) pivotable relative to the first hinge part (12) around a swivel axis (54) of the hinge (10) and a rotary knob (20) arranged rotatable at the first hinge part (12) and rotatable around the swivel axis (54). A push element (22) is linearly moveable along the swivel axis (54) inside the first hinge part (12). The push element (22) is pressed or pressable against a contact surface (42) of the second hinge part (14) by rotating the rotary knob (20), so that the hinge (10) is locked or at least rough-running.

The utility model provides a vertical electric hedge pruning sprinkler, which relates to the technical field of greening equipment and comprises a pruning sprinkler body. A battery cabin is fixedly connected to the middle of the lower part of the pruning sprinkling machine main body; four steering motors can be fastened and connected in the lower part of the pruning sprinkling machine main body through bolts in a rectangular array shape; the outer portions of rotating shafts of the four steering motors are each fixedly connected with a moving wheel. A limiting seat is fixedly connected to the center of the top end face of the pruning sprinkler body. The top end face of the limiting base is in bolt fastening connection with a mechanical arm. And a connecting frame is arranged at the tail end of the mechanical arm. A fifth motor is started, a collecting frame swings in a reciprocating mode through a series of transmission, branches and leaves falling on the ground are automatically collected to a trimmed hedge through reciprocating swinging of the collecting frame, and the problems that workers need to sweep and concentrate the branches and leaves falling on the ground near the hedge, and operation is tedious are solved.

A method carried out by a computer(s) to generate cut-point data containing information indicating a three-dimensional position of a point on a cane of a fruit tree where the cane is to be cut off includes acquiring (S050) information on a pruning mode selected by a user from among pruning modes having respectively different methods of determining a point(s) on a cane(s) where cutting is to be performed, based on sensor data of the cane(s) acquired (S100) by a sensor or sensors and based on the selected pruning mode, determining (S200) one or more points where cutting is to be performed for the cane(s), and generating (S300) the cut-point data. A second pruning mode includes settings of priority levels of two or more attributes of the cane(s) in the determination of the point or points where cutting is to be performed are identical to a first pruning mode.